San_Diego

qas: question: Which city in Mexico does San Diego border?
answers: text: Tijuana
is_impossible: no

question: Of all military branches, which one has the strongest presence in San Diego?
answers: text: United States Navy
is_impossible: no

question: Aside from healthcare, which employment sector has strongly emerged in San Diego?
answers: text: biotechnology development
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question: Of the top 10 largest cities in the country, which place does San Diego rank?
answers: text: eighth
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question: What is unique about San Diego's harbors?
answers: text: deep-water
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question: Which city in Mexico doesn't San Diego border?
is_impossible: yes

question: Of all military branches, which one has the weakest presence in San Diego?
is_impossible: yes

question: Aside from healthcare, which employment sector has weakly emerged in San Diego?
is_impossible: yes

question: Of the top 5 largest cities in the country, which place does San Diego rank?
is_impossible: yes

question: What isn't unique about San Diego's harbors?
is_impossible: yes
context: With an estimated population of 1,381,069 as of July 1, 2014, San Diego is the eighth-largest city in the United States and second-largest in California. It is part of the San Diego–Tijuana conurbation, the second-largest transborder agglomeration between the US and a bordering country after Detroit–Windsor, with a population of 4,922,723 people. San Diego is the birthplace of California and is known for its mild year-round climate, natural deep-water harbor, extensive beaches, long association with the United States Navy and recent emergence as a healthcare and biotechnology development center.

qas: question: Who claimed the San Diego Bay area for Spain in 1542?
answers: text: Juan Rodríguez Cabrillo
is_impossible: no

question: In what year did San Diego become part of the United States?
answers: text: 1850
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question: What native people lived in the San Diego area before the Europeans arrived?
answers: text: Kumeyaay
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question: After the land was claimed for Spain, how many years passed before the settlement of Alta began?
answers: text: 200
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question: Who claimed the San Diego Bay area for Spain in 1524?
is_impossible: yes

question: In what year didn't San Diego become part of the United States?
is_impossible: yes

question: What native people never lived in the San Diego area before the Europeans arrived?
is_impossible: yes

question: What native people lived in the San Diego area before the Mexicans arrived?
is_impossible: yes

question: After the land was claimed for Spain, how many years passed before the settlement of Atlanta began?
is_impossible: yes
context: Historically home to the Kumeyaay people, San Diego was the first site visited by Europeans on what is now the West Coast of the United States. Upon landing in San Diego Bay in 1542, Juan Rodríguez Cabrillo claimed the entire area for Spain, forming the basis for the settlement of Alta California 200 years later. The Presidio and Mission San Diego de Alcalá, founded in 1769, formed the first European settlement in what is now California. In 1821, San Diego became part of the newly-independent Mexico, which reformed as the First Mexican Republic two years later. In 1850, it became part of the United States following the Mexican–American War and the admission of California to the union.

qas: question: Who was sent to survey the California coast in 1602?
answers: text: Sebastián Vizcaíno
is_impossible: no

question: What was the name of Juan Rodriguez Cabrillo's ship?
answers: text: San Salvador
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question: Who was the harbor named for?
answers: text: Catholic Saint Didacus
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question: Who conducted the first Christian service to be recorded in Alta?
answers: text: Friar Antonio de la Ascensión
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question: Where did Cabrillo leave from to embark on his journey to the West Coast?
answers: text: Navidad, New Spain
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question: Who was sent to survey the California coast in 1620?
is_impossible: yes

question: What was the name of Juan Rodriguez Cabrillo's car?
is_impossible: yes

question: Who wasn't the harbor named for?
is_impossible: yes

question: Who conducted the last Christian service to be recorded in Alta?
is_impossible: yes

question: Where did Cabrillo leave from to embark on his journey to the East Coast?
is_impossible: yes
context: The first European to visit the region was Portuguese-born explorer Juan Rodríguez Cabrillo sailing under the flag of Castile. Sailing his flagship San Salvador from Navidad, New Spain, Cabrillo claimed the bay for the Spanish Empire in 1542, and named the site 'San Miguel'. In November 1602, Sebastián Vizcaíno was sent to map the California coast. Arriving on his flagship San Diego, Vizcaíno surveyed the harbor and what are now Mission Bay and Point Loma and named the area for the Catholic Saint Didacus, a Spaniard more commonly known as San Diego de Alcalá. On November 12, 1602, the first Christian religious service of record in Alta California was conducted by Friar Antonio de la Ascensión, a member of Vizcaíno's expedition, to celebrate the feast day of San Diego.

qas: question: Who did Junipero Serra commission to found the Mission San Diego de Alcala in 1769?
answers: text: Franciscan friars
is_impossible: no

question: What historic trail starting point developed at Mission San Diego?
answers: text: El Camino Real
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question: What was developed on a hill by the San Diego River?
answers: text: Fort Presidio of San Diego
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question: How many neophytes resided in the San Diego area in 1797?
answers: text: 1,400
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question: What are the Presidio and Mission considered today?
answers: text: National Historic Landmarks
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question: Who did Junipero Serra commission to found the Mission San Diego de Alcala in 1796?
is_impossible: yes

question: What historic trail ending point developed at Mission San Diego?
is_impossible: yes

question: What was developed on a hill by the San Francisco River?
is_impossible: yes

question: How many neophytes resided in the San Diego area in 1799?
is_impossible: yes

question: What are the Presidio and Mission considered in history?
is_impossible: yes
context: In May 1769, Gaspar de Portolà established the Fort Presidio of San Diego on a hill near the San Diego River. It was the first settlement by Europeans in what is now the state of California. In July of the same year, Mission San Diego de Alcalá was founded by Franciscan friars under Junípero Serra. By 1797, the mission boasted the largest native population in Alta California, with over 1,400 neophytes living in and around the mission proper. Mission San Diego was the southern anchor in California of the historic mission trail El Camino Real. Both the Presidio and the Mission are National Historic Landmarks.

qas: question: Who was elected as the Mission's first municipal magistrate?
answers: text: Juan María Osuna
is_impossible: no

question: What was the name of the Mexican territory San Diego became part of in 1821?
answers: text: Alta California
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question: Why did San Diego lose its pueblo status in 1838?
answers: text: its size dropped to an estimated 100 to 150 residents
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question: What happened as the population shifted to more level ground below Presidio Hill?
answers: text: The fort on Presidio Hill was gradually abandoned
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question: Who was in the running for the first alcalde position, but was defeated in the election?
answers: text: Pío Pico
is_impossible: no

question: Who was elected as the Mission's last municipal magistrate?
is_impossible: yes

question: What was the name of the Mexican territory San Diego became part of in 1812?
is_impossible: yes

question: Why did San Diego lose its pueblo status in 1883?
is_impossible: yes

question: What happened as the population shifted to more level ground above Presidio Hill?
is_impossible: yes

question: Who was in the running for the last alcalde position, but was defeated in the election?
is_impossible: yes
context: In 1821, Mexico won its independence from Spain, and San Diego became part of the Mexican territory of Alta California. In 1822, Mexico began attempting to extend its authority over the coastal territory of Alta California. The fort on Presidio Hill was gradually abandoned, while the town of San Diego grew up on the level land below Presidio Hill. The Mission was secularized by the Mexican government in 1833, and most of the Mission lands were sold to wealthy Californio settlers. The 432 residents of the town petitioned the governor to form a pueblo, and Juan María Osuna was elected the first alcalde ("municipal magistrate"), defeating Pío Pico in the vote. (See, List of pre-statehood mayors of San Diego.) However, San Diego had been losing population throughout the 1830s and in 1838 the town lost its pueblo status because its size dropped to an estimated 100 to 150 residents. Beyond town Mexican land grants expanded the number of California ranchos that modestly added to the local economy.

qas: question: Who commissioned Captain Archibald Gillespie to lead 50 men on horseback to the north?
answers: text: Commodore Robert F. Stockton
is_impossible: no

question: What battle took place in the San Pasqual Valley?
answers: text: Battle of San Pasqual
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question: Who led the group from San Diego that rescued Kearny's men?
answers: text: Lieutenant Gray
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question: What extreme measure did the Californios take to try to draw the Americans out of the pueblo?
answers: text: The Californios drove cattle away from the pueblo
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question: How many weeks did Mexican partisans hold San Diego before it was recaptured by Americans?
answers: text: three weeks
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question: Who commissioned Captain Archibald Gillespie to lead 500 men on horseback to the north?
is_impossible: yes

question: What battle took place in the San Francisco Valley?
is_impossible: yes

question: Who led the group from San Francisco that rescued Kearny's men?
is_impossible: yes

question: What extreme measure did the Californios take to try to draw the Natives out of the pueblo?
is_impossible: yes

question: How many weeks did Mexican partisans hold San Francisco before it was recaptured by Americans?
is_impossible: yes
context: In 1846, the United States went to war against Mexico and sent a naval and land expedition to conquer Alta California. At first they had an easy time of it capturing the major ports including San Diego, but the Californios in southern Alta California struck back. Following the successful revolt in Los Angeles, the American garrison at San Diego was driven out without firing a shot in early October 1846. Mexican partisans held San Diego for three weeks until October 24, 1846, when the Americans recaptured it. For the next several months the Americans were blockaded inside the pueblo. Skirmishes occurred daily and snipers shot into the town every night. The Californios drove cattle away from the pueblo hoping to starve the Americans and their Californio supporters out. On December 1 the Americans garrison learned that the dragoons of General Stephen W. Kearney were at Warner's Ranch. Commodore Robert F. Stockton sent a mounted force of fifty under Captain Archibald Gillespie to march north to meet him. Their joint command of 150 men, returning to San Diego, encountered about 93 Californios under Andrés Pico. In the ensuing Battle of San Pasqual, fought in the San Pasqual Valley which is now part of the city of San Diego, the Americans suffered their worst losses in the campaign. Subsequently a column led by Lieutenant Gray arrived from San Diego, rescuing Kearny's battered and blockaded command.

qas: question: What treaty was used by Stockton and Kearny on January 1, 1847?
answers: text: Treaty of Cahuenga
is_impossible: no

question: What was established after negotiations over San Diego between the Mexcians and Americans?
answers: text: Mexican-American border
is_impossible: no

question: Which war played a role in ceding San Diego to the United States?
answers: text: Mexican–American War of 1846–48
is_impossible: no

question: What was the name of the treaty developed between Mexico and the United States in 1848?
answers: text: Treaty of Guadalupe Hidalgo
is_impossible: no

question: Why was the border between Mexico and the United States established one league south of San Diego Bay's most southern tip?
answers: text: to include the entire bay within the United States
is_impossible: no

question: What treaty was used by Stockton and Kearny on January 1, 1874?
is_impossible: yes

question: What was established after negotiations over San Francisco between the Mexcians and Americans?
is_impossible: yes

question: Which war played a role in ceding San Francisco to the United States?
is_impossible: yes

question: What was the name of the treaty developed between Mexico and the United States in 1884?
is_impossible: yes

question: Why was the border between Mexico and the United States established one league south of San Diego Bay's most northern tip?
is_impossible: yes
context: Stockton and Kearny went on to recover Los Angeles and force the capitulation of Alta California with the "Treaty of Cahuenga" on January 13, 1847. As a result of the Mexican–American War of 1846–48, the territory of Alta California, including San Diego, was ceded to the United States by Mexico, under the terms of the Treaty of Guadalupe Hidalgo in 1848. The Mexican negotiators of that treaty tried to retain San Diego as part of Mexico, but the Americans insisted that San Diego was "for every commercial purpose of nearly equal importance to us with that of San Francisco," and the Mexican-American border was eventually established to be one league south of the southernmost point of San Diego Bay, so as to include the entire bay within the United States.

qas: question: In what year did San Diego officially become a city?
answers: text: 1850
is_impossible: no

question: Who was San Diego's first mayor?
answers: text: Joshua H. Bean
is_impossible: no

question: What happened two years after San Diego elected it's first mayor?
answers: text: the city was bankrupt
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question: Who controlled San Diego's charter for 2 years after it was revoked by California legislature?
answers: text: a board of trustees
is_impossible: no

question: When was San Diego's current charter adopted?
answers: text: 1931
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question: In what year did San Francisco officially become a city?
is_impossible: yes

question: Who was San Diego's last mayor?
is_impossible: yes

question: What happened two years after San Diego elected it's last mayor?
is_impossible: yes

question: Who controlled San Diego's charter for 4 years after it was revoked by California legislature?
is_impossible: yes

question: When was San Francisco's current charter adopted?
is_impossible: yes
context: The state of California was admitted to the United States in 1850. That same year San Diego was designated the seat of the newly established San Diego County and was incorporated as a city. Joshua H. Bean, the last alcalde of San Diego, was elected the first mayor. Two years later the city was bankrupt; the California legislature revoked the city's charter and placed it under control of a board of trustees, where it remained until 1889. A city charter was re-established in 1889 and today's city charter was adopted in 1931.

qas: question: What was the main flaw of San Diego's original location?
answers: text: several miles away from navigable water
is_impossible: no

question: Who developed New San Diego that was south of the first location?
answers: text: William Heath Davis
is_impossible: no

question: Who was largely responsible for the population growth of Downtown San Diego?
answers: text: Alonzo Horton
is_impossible: no

question: What happened in 1878 that played a role in San Diego's economic growth?
answers: text: the arrival of a railroad connection
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question: What was San Diego's downtown area originally called?
answers: text: New Town
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question: What was the main flaw of San Francisco's original location?
is_impossible: yes

question: Who developed New San Diego that was north of the first location?
is_impossible: yes

question: Who was largely responsible for the population growth of Downtown San Francisco?
is_impossible: yes

question: What happened in 1887 that played a role in San Diego's economic growth?
is_impossible: yes

question: What was San Francisco's downtown area originally called?
is_impossible: yes
context: The original town of San Diego was located at the foot of Presidio Hill, in the area which is now Old Town San Diego State Historic Park. The location was not ideal, being several miles away from navigable water. In 1850, William Heath Davis promoted a new development by the Bay shore called "New San Diego", several miles south of the original settlement; however, for several decades the new development consisted only a few houses, a pier and an Army depot. In the late 1860s, Alonzo Horton promoted a move to the bayside area, which he called "New Town" and which became Downtown San Diego. Horton promoted the area heavily, and people and businesses began to relocate to New Town because of its location on San Diego Bay convenient to shipping. New Town soon eclipsed the original settlement, known to this day as Old Town, and became the economic and governmental heart of the city. Still, San Diego remained a relative backwater town until the arrival of a railroad connection in 1878.

qas: question: What park in San Diego hosted two World Fairs near the beginning of the 20th century?
answers: text: Balboa Park
is_impossible: no

question: Where did many of the San Diego Zoo's exotic animals come from?
answers: text: Panama-California Exposition in 1915
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question: What festival was celebrated in the 1950s in recognition of the city's Mexican and Spanish past?
answers: text: Fiesta del Pacifico
is_impossible: no

question: What happened to many of the structures developed for the World Fairs?
answers: text: Most were eventually rebuilt, using castings of the original façades to retain the architectural style.
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question: Which World Fair was hosted in San Diego in 1935?
answers: text: California Pacific International Exposition
is_impossible: no

question: What park in San Diego hosted two World Fairs near the beginning of the 19th century?
is_impossible: yes

question: Where did many of the San Francisco Zoo's exotic animals come from?
is_impossible: yes

question: What festival was celebrated in the 1960s in recognition of the city's Mexican and Spanish past?
is_impossible: yes

question: What happened to many of the structures developed for the State Fairs?
is_impossible: yes

question: Which World Fair was hosted in San Diego in 1953?
is_impossible: yes
context: In the early part of the 20th century, San Diego hosted two World's Fairs: the Panama-California Exposition in 1915 and the California Pacific International Exposition in 1935. Both expositions were held in Balboa Park, and many of the Spanish/Baroque-style buildings that were built for those expositions remain to this day as central features of the park. The buildings were intended to be temporary structures, but most remained in continuous use until they progressively fell into disrepair. Most were eventually rebuilt, using castings of the original façades to retain the architectural style. The menagerie of exotic animals featured at the 1915 exposition provided the basis for the San Diego Zoo. During the 1950s there was a citywide festival called Fiesta del Pacifico highlighting the area's Spanish and Mexican past. In the 2010s there was a proposal for a large-scale celebration of the 100th anniversary of Balboa Park, but the plans were abandoned when the organization tasked with putting on the celebration went out of business.

qas: question: What names was given to coastal artillery batteries erected shortly after 1852?
answers: text: Fort Rosecrans
is_impossible: no

question: What was the name of Charles A. Lindbergh's plane that was built in San Diego by Ryan Airlines?
answers: text: Spirit of St. Louis
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question: What was the original name of today's Marine Corps Air Station Miramar?
answers: text: Camp Kearny
is_impossible: no

question: What branch of the military began to have a strong presence in San Diego in 1901?
answers: text: U.S. Navy
is_impossible: no

question: What airplane developer was founded in San Diego in 1923?
answers: text: Consolidated Aircraft
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question: What names was given to coastal artillery batteries erected shortly after 1825?
is_impossible: yes

question: What was the name of Charles A. Lindbergh's plane that was built in San Francisco by Ryan Airlines?
is_impossible: yes

question: What was the final name of today's Marine Corps Air Station Miramar?
is_impossible: yes

question: What branch of the military began to have a strong presence in San Diego in 1910?
is_impossible: yes

question: What airplane developer was founded in San Diego in 1932?
is_impossible: yes
context: The southern portion of the Point Loma peninsula was set aside for military purposes as early as 1852. Over the next several decades the Army set up a series of coastal artillery batteries and named the area Fort Rosecrans. Significant U.S. Navy presence began in 1901 with the establishment of the Navy Coaling Station in Point Loma, and expanded greatly during the 1920s. By 1930, the city was host to Naval Base San Diego, Naval Training Center San Diego, San Diego Naval Hospital, Camp Matthews, and Camp Kearny (now Marine Corps Air Station Miramar). The city was also an early center for aviation: as early as World War I, San Diego was proclaiming itself "The Air Capital of the West". The city was home to important airplane developers and manufacturers like Ryan Airlines (later Ryan Aeronautical), founded in 1925, and Consolidated Aircraft (later Convair), founded in 1923. Charles A. Lindbergh's plane The Spirit of St. Louis was built in San Diego in 1927 by Ryan Airlines.

qas: question: When did San Diego's population grow so rapidly that it nearly doubled?
answers: text: during and after World War II
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question: What was the name of the attack the Japanese had planned against San Diego?
answers: text: Operation Cherry Blossoms at Night
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question: What were the Japanese originally going to drop on San Diego from their kamikaze planes?
answers: text: fleas infected with plague (Yersinia pestis)
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question: Why didn't the Japanese launch their planned attack on September 22, 1945?
answers: text: Japan surrendered five weeks earlier
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question: How many civilians were the Japanese hoping to kill during their planned attack on San Diego?
answers: text: tens of thousands of civilians
is_impossible: no

question: When did San Diego's population grow so rapidly that it nearly tripled?
is_impossible: yes

question: What was the name of the attack the Japanese had planned against San Francisco?
is_impossible: yes

question: What were the Japanese originally going to drop on San Francisco from their kamikaze planes?
is_impossible: yes

question: Why didn't the Japanese launch their planned attack on September 20, 1945?
is_impossible: yes

question: How many civilians were the Japanese hoping to kill during their planned attack on San Francisco?
is_impossible: yes
context: During World War II, San Diego became a major hub of military and defense activity, due to the presence of so many military installations and defense manufacturers. The city's population grew rapidly during and after World War II, more than doubling between 1930 (147,995) and 1950 (333,865). During the final months of the war, the Japanese had a plan to target multiple U.S. cities for biological attack, starting with San Diego. The plan was called "Operation Cherry Blossoms at Night" and called for kamikaze planes filled with fleas infected with plague (Yersinia pestis) to crash into civilian population centers in the city, hoping to spread plague in the city and effectively kill tens of thousands of civilians. The plan was scheduled to launch on September 22, 1945, but was not carried out because Japan surrendered five weeks earlier.

qas: question: What nickname was San Diego given by the tuna canning industry in the 1970s?
answers: text: the tuna capital of the world
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question: How many jobs were created by the mid-1930s thanks to San Diego's tuna cannery that was developed in 1911?
answers: text: more than 1,000
is_impossible: no

question: Why were the canneries ultimately closed by the early 1980s?
answers: text: rising costs and foreign competition
is_impossible: no

question: Immigrants from what country were primarily hired by the fishing fleets that supported the canneries??
answers: text: Japan
is_impossible: no

question: From what region in Portugal did immigrants come from to work in San Diego's fishing industry?
answers: text: Portuguese Azores
is_impossible: no

question: What nickname was San Diego given by the tuna canning industry in the 1960s?
is_impossible: yes

question: How many jobs were created by the mid-1930s thanks to San Diego's tuna cannery that was developed in 1921?
is_impossible: yes

question: Why were the canneries ultimately closed by the early 1970s?
is_impossible: yes

question: Immigrants from what country were primarily fired by the fishing fleets that supported the canneries??
is_impossible: yes

question: From what region in Portugal did immigrants come from to work in San Francisco's fishing industry?
is_impossible: yes
context: From the start of the 20th century through the 1970s, the American tuna fishing fleet and tuna canning industry were based in San Diego, "the tuna capital of the world". San Diego's first tuna cannery was founded in 1911, and by the mid-1930s the canneries employed more than 1,000 people. A large fishing fleet supported the canneries, mostly staffed by immigrant fishermen from Japan, and later from the Portuguese Azores and Italy whose influence is still felt in neighborhoods like Little Italy and Point Loma. Due to rising costs and foreign competition, the last of the canneries closed in the early 1980s.

qas: question: In what direction does the San Diego River run through the city?
answers: text: east to west
is_impossible: no

question: What bodies of water can be found separating different developed areas of the city?
answers: text: reservoirs
is_impossible: no

question: What is created by the many canyons and hills throughout San Diego?
answers: text: small pockets of natural open space
is_impossible: no

question: What divides the city's northern and southern segments?
answers: text: San Diego River
is_impossible: no

question: Where did the San Diego River once flow to?
answers: text: San Diego Bay
is_impossible: no

question: In what direction does the San Francisco River run through the city?
is_impossible: yes

question: What bodies of water can't be found separating different developed areas of the city?
is_impossible: yes

question: What is created by the many canyons and hills throughout San Francisco?
is_impossible: yes

question: What divides the city's eastern and western segments?
is_impossible: yes

question: Where did the San Francisco River once flow to?
is_impossible: yes
context: The city lies on approximately 200 deep canyons and hills separating its mesas, creating small pockets of natural open space scattered throughout the city and giving it a hilly geography. Traditionally, San Diegans have built their homes and businesses on the mesas, while leaving the urban canyons relatively wild. Thus, the canyons give parts of the city a segmented feel, creating gaps between otherwise proximate neighborhoods and contributing to a low-density, car-centered environment. The San Diego River runs through the middle of San Diego from east to west, creating a river valley which serves to divide the city into northern and southern segments. The river used to flow into San Diego Bay and its fresh water was the focus of the earliest Spanish explorers.[citation needed] Several reservoirs and Mission Trails Regional Park also lie between and separate developed areas of the city.

qas: question: What community covers the area from Downtown San Diego to the peninsula?
answers: text: Point Loma
is_impossible: no

question: Where is Otay Mesa found within the city?
answers: text: next to the Mexico–United States border
is_impossible: no

question: What is the only coastal community in San Diego without the word "beach" in its name?
answers: text: La Jolla
is_impossible: no

question: Which valley is encompassed by the most northeast portion of San Diego?
answers: text: San Pasqual Valley
is_impossible: no

question: What community covers the area from Downtown San Francisco to the peninsula?
is_impossible: yes

question: Where is Otay Mesa found outside the city?
is_impossible: yes

question: What is the only coastal community in San Francisco without the word "beach" in its name?
is_impossible: yes

question: What is the only coastal community in San Diego with the word "beach" in its name?
is_impossible: yes

question: Which valley is encompassed by the most southeast portion of San Diego?
is_impossible: yes
context: Downtown San Diego is located on San Diego Bay. Balboa Park encompasses several mesas and canyons to the northeast, surrounded by older, dense urban communities including Hillcrest and North Park. To the east and southeast lie City Heights, the College Area, and Southeast San Diego. To the north lies Mission Valley and Interstate 8. The communities north of the valley and freeway, and south of Marine Corps Air Station Miramar, include Clairemont, Kearny Mesa, Tierrasanta, and Navajo. Stretching north from Miramar are the northern suburbs of Mira Mesa, Scripps Ranch, Rancho Peñasquitos, and Rancho Bernardo. The far northeast portion of the city encompasses Lake Hodges and the San Pasqual Valley, which holds an agricultural preserve. Carmel Valley and Del Mar Heights occupy the northwest corner of the city. To their south are Torrey Pines State Reserve and the business center of the Golden Triangle. Further south are the beach and coastal communities of La Jolla, Pacific Beach, Mission Beach, and Ocean Beach. Point Loma occupies the peninsula across San Diego Bay from downtown. The communities of South San Diego, such as San Ysidro and Otay Mesa, are located next to the Mexico–United States border, and are physically separated from the rest of the city by the cities of National City and Chula Vista. A narrow strip of land at the bottom of San Diego Bay connects these southern neighborhoods with the rest of the city.

qas: question: What was the first skyscraper built in San Diego that was over 300-feet tall?
answers: text: El Cortez Hotel
is_impossible: no

question: How tall is One America Plaza?
answers: text: 500 feet
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question: What played a role in determining the maximum height skyscrapers can be in San Diego?
answers: text: San Diego International Airport
is_impossible: no

question: What organization regulates building heights in San Diego?
answers: text: Federal Aviation Administration
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question: What bank spent time as being the tallest building in San Diego?
answers: text: Union Bank of California Building
is_impossible: no

question: What was the first skyscraper built in San Diego that was over 200-feet tall?
is_impossible: yes

question: How tall is Two America Plaza?
is_impossible: yes

question: What played a role in determining the maximum height skyscrapers can be in San Francisco?
is_impossible: yes

question: What organization regulates building heights in San Francisco?
is_impossible: yes

question: What bank spent time as being the shortest building in San Diego?
is_impossible: yes
context: The development of skyscrapers over 300 feet (91 m) in San Diego is attributed to the construction of the El Cortez Hotel in 1927, the tallest building in the city from 1927 to 1963. As time went on multiple buildings claimed the title of San Diego's tallest skyscraper, including the Union Bank of California Building and Symphony Towers. Currently the tallest building in San Diego is One America Plaza, standing 500 feet (150 m) tall, which was completed in 1991. The downtown skyline contains no super-talls, as a regulation put in place by the Federal Aviation Administration in the 1970s set a 500 feet (152 m) limit on the height of buildings due to the proximity of San Diego International Airport. An iconic description of the skyline includes its skyscrapers being compared to the tools of a toolbox.

qas: question: When does San Diego receive most of its precipitation?
answers: text: between December and March
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question: How many days of the year does San Diego typically experience temperatures above 70 degrees Fahrenheit ?
answers: text: 201 days
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question: What ranked San Diego as having the country's best summer climate?
answers: text: Weather Channel
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question: What type of climate is San Diego classified as having?
answers: text: semi-arid climate
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question: What type of weather can one expect to experience in San Diego in the winter?
answers: text: mild
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question: When does San Francisco receive most of its precipitation?
is_impossible: yes

question: How many days of the year does San Diego typically experience temperatures above 60 degrees Fahrenheit ?
is_impossible: yes

question: What ranked San Diego as having the country's worst summer climate?
is_impossible: yes

question: What type of climate is San Francisco classified as having?
is_impossible: yes

question: What type of weather can one expect to experience in San Francisco in the winter?
is_impossible: yes
context: San Diego is one of the top-ten best climates in the Farmers' Almanac and is one of the two best summer climates in America as scored by The Weather Channel. Under the Köppen–Geiger climate classification system, the San Diego area has been variously categorized as having either a semi-arid climate (BSh in the original classification and BSkn in modified Köppen classification) or a Mediterranean climate (Csa and Csb). San Diego's climate is characterized by warm, dry summers and mild winters with most of the annual precipitation falling between December and March. The city has a mild climate year-round, with an average of 201 days above 70 °F (21 °C) and low rainfall (9–13 inches [230–330 mm] annually). Dewpoints in the summer months range from 57.0 °F (13.9 °C) to 62.4 °F (16.9 °C).

qas: question: What areas experience the most significant temperature variations?
answers: text: inland areas
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question: What is the average high temperature in El Cajon in August?
answers: text: 88 °F
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question: What frequently blankets San Diego in May and June?
answers: text: a thick "marine layer" cloud cover
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question: What is the average January low temperature in downtown San Diego?
answers: text: 50 °F (10 °C)
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question: What effect does the springtime cloud cover have on the temperature?
answers: text: keep the air cool and damp
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question: What areas experience the most insignificant temperature variations?
is_impossible: yes

question: What is the average high temperature in El Cajon in July?
is_impossible: yes

question: What frequently blankets San Francisco in May and June?
is_impossible: yes

question: What is the average January high temperature in downtown San Diego?
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question: What effect does the summertime cloud cover have on the temperature?
is_impossible: yes
context: The climate in San Diego, like most of Southern California, often varies significantly over short geographical distances resulting in microclimates. In San Diego, this is mostly because of the city's topography (the Bay, and the numerous hills, mountains, and canyons). Frequently, particularly during the "May gray/June gloom" period, a thick "marine layer" cloud cover will keep the air cool and damp within a few miles of the coast, but will yield to bright cloudless sunshine approximately 5–10 miles (8.0–16.1 km) inland. Sometimes the June gloom can last into July, causing cloudy skies over most of San Diego for the entire day. Even in the absence of June gloom, inland areas tend to experience much more significant temperature variations than coastal areas, where the ocean serves as a moderating influence. Thus, for example, downtown San Diego averages January lows of 50 °F (10 °C) and August highs of 78 °F (26 °C). The city of El Cajon, just 10 miles (16 km) inland from downtown San Diego, averages January lows of 42 °F (6 °C) and August highs of 88 °F (31 °C).

qas: question: What is the average rainfall in February along the coast?
answers: text: 2 inches (51 mm)
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question: What is significant about the weather that San Diego experienced in December 1921?
answers: text: wettest month on record
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question: What is the average annual precipitation along San Diego's coast?
answers: text: 10.65 inches (271 mm)
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question: What months are nearly completely dry in San Diego?
answers: text: May through September
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question: What areas of San Diego typically experienced the greatest rainfall?
answers: text: higher elevation areas
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question: What is the average rainfall in January along the coast?
is_impossible: yes

question: What is significant about the weather that San Diego experienced in December 1912?
is_impossible: yes

question: What is the average annual precipitation along San Francisco's coast?
is_impossible: yes

question: What months are nearly completely dry in San Francisco?
is_impossible: yes

question: What areas of San Francisco typically experienced the greatest rainfall?
is_impossible: yes
context: Rainfall along the coast averages about 10 inches (250 mm) of precipitation annually. The average (mean) rainfall is 10.65 inches (271 mm) and the median is 9.6 inches (240 mm). Most of the rainfall occurs during the cooler months. The months of December through March supply most of the rain, with February the only month averaging 2 inches (51 mm) or more of rain. The months of May through September tend to be almost completely dry. Though there are few wet days per month during the rainy period, rainfall can be heavy when it does fall. Rainfall is usually greater in the higher elevations of San Diego; some of the higher elevation areas of San Diego can receive 11–15 inches (280–380 mm) of rain a year. Variability of rainfall can be extreme: in the wettest years of 1883/1884 and 1940/1941 more than 24 inches (610 mm) fell in the city, whilst in the driest years as little as 3.2 inches (80 mm) has fallen for a full year. The wettest month on record has been December 1921 with 9.21 inches (234 mm).

qas: question: What trees are protected along the coast of San Diego?
answers: text: Torrey pine
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question: What drought-resistant shrub is San Diego known for?
answers: text: chaparral
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question: Where can one find the most sage scrub in San Diego?
answers: text: low elevations
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question: What disadvantage comes along with sage scrub habitats?
answers: text: prone to wildfire
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question: How is San Diego able to offer everything from tidal marsh to canyons?
answers: text: The steep and varied topography and proximity to the ocean create a number of different habitats
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question: What trees are protected along the coast of San Francisco?
is_impossible: yes

question: What drought-resistant shrub is San Francisco known for?
is_impossible: yes

question: Where can one find the most sage scrub in San Francisco?
is_impossible: yes

question: What advantage comes along with sage scrub habitats?
is_impossible: yes

question: How is San Francisco able to offer everything from tidal marsh to canyons?
is_impossible: yes
context: Like most of southern California, the majority of San Diego's current area was originally occupied by chaparral, a plant community made up mostly of drought-resistant shrubs. The endangered Torrey pine has the bulk of its population in San Diego in a stretch of protected chaparral along the coast. The steep and varied topography and proximity to the ocean create a number of different habitats within the city limits, including tidal marsh and canyons. The chaparral and coastal sage scrub habitats in low elevations along the coast are prone to wildfire, and the rates of fire have increased in the 20th century, due primarily to fires starting near the borders of urban and wild areas.

qas: question: How many bird species have been observed in San Diego?
answers: text: 492
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question: What birding event does the Audubon Society host every year?
answers: text: Christmas Bird Count
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question: What is special about the animal and plant species found in San Diego?
answers: text: highest counts of animal and plant species that appear on the endangered species list
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question: What flyway contributes to the diverse bird population in San Diego County?
answers: text: Pacific Flyway
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question: What word describes San Diego County due to the many birds residing there?
answers: text: birdiest
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question: How many bird species have been observed in San Francisco?
is_impossible: yes

question: What birding event does the Audubon Society host some years?
is_impossible: yes

question: What is special about the animal and plant species found in San Francisco?
is_impossible: yes

question: What flyway contributes to the diverse bird population in San Francisco County?
is_impossible: yes

question: What word describes San Diego County due to the few birds residing there?
is_impossible: yes
context: San Diego County has one of the highest counts of animal and plant species that appear on the endangered species list among counties in the United States. Because of its diversity of habitat and its position on the Pacific Flyway, San Diego County has recorded the presence of 492 bird species, more than any other region in the country. San Diego always scores very high in the number of bird species observed in the annual Christmas Bird Count, sponsored by the Audubon Society, and it is known as one of the "birdiest" areas in the United States.

qas: question: When did California's largest wildfire of the century take place?
answers: text: October 2003
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question: How many acres were burned in the historic Cedar Fire of 2003?
answers: text: 280,000 acres (1,100 km2)
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question: Why did San Diego schools close during the Cedar Fire?
answers: text: poor air quality
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question: How many years after the Cedar Fire did additional fires destroy Rancho Santa Fe?
answers: text: four years later
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question: How many homes were destroyed in the Cedar Fire?
answers: text: more than 2,200
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question: When did California's smallest wildfire of the century take place?
is_impossible: yes

question: How many acres were burned in the historic Cedar Fire of 2002?
is_impossible: yes

question: Why did San Francisco schools close during the Cedar Fire?
is_impossible: yes

question: How many years after the Cedar Fire did additional fires destroy Rancho Francisco Fe?
is_impossible: yes

question: How many homes were saved in the Cedar Fire?
is_impossible: yes
context: San Diego and its backcountry are subject to periodic wildfires. In October 2003, San Diego was the site of the Cedar Fire, which has been called the largest wildfire in California over the past century. The fire burned 280,000 acres (1,100 km2), killed 15 people, and destroyed more than 2,200 homes. In addition to damage caused by the fire, smoke resulted in a significant increase in emergency room visits due to asthma, respiratory problems, eye irritation, and smoke inhalation; the poor air quality caused San Diego County schools to close for a week. Wildfires four years later destroyed some areas, particularly within the communities of Rancho Bernardo, Rancho Santa Fe, and Ramona.

qas: question: In the top five largest urban areas in California, where does San Diego rank?
answers: text: third-largest
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question: What area does Los Angeles and San Francisco merge with to form metropolitan areas larger than San Diego?
answers: text: Riverside–San Bernardino
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question: What was the population of San Diego at the time of the 2010 census?
answers: text: 1,307,402
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question: How many square miles does San Diego cover?
answers: text: 372.1
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question: What is the population of San Diego's urgan area?
answers: text: 2,956,746
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question: In the top ten smallest urban areas in California, where does San Diego rank?
is_impossible: yes

question: What area does Los Angeles and San Francisco merge with to form metropolitan areas smaller than San Diego?
is_impossible: yes

question: What was the population of San Diego at the time of the 2000 census?
is_impossible: yes

question: How many square miles does San Francisco cover?
is_impossible: yes

question: What is the population of San Francisco's urban area?
is_impossible: yes
context: The city had a population of 1,307,402 according to the 2010 census, distributed over a land area of 372.1 square miles (963.7 km2). The urban area of San Diego extends beyond the administrative city limits and had a total population of 2,956,746, making it the third-largest urban area in the state, after that of the Los Angeles metropolitan area and San Francisco metropolitan area. They, along with the Riverside–San Bernardino, form those metropolitan areas in California larger than the San Diego metropolitan area, with a total population of 3,095,313 at the 2010 census.

qas: question: What was the population density of San Diego in 2009?
answers: text: 3,771.9 people per square mile (1,456.4/km2)
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question: What ethnicity made up 15.9.% of San Diego's population in 2009?
answers: text: Asian
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question: In 2009, what percentage of the population was Hispanic?
answers: text: 28.8%
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question: What was San Diego's population at the time of the 2010 census?
answers: text: 1,307,402
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question: What was the population increase in San Diego from 2009 to 2010?
answers: text: just under 7%
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question: What was the population density of San Diego in 2008?
is_impossible: yes

question: What ethnicity made up 19.5.% of San Diego's population in 2009?
is_impossible: yes

question: In 2008, what percentage of the population was Hispanic?
is_impossible: yes

question: What was San Diego's population at the time of the 2012 census?
is_impossible: yes

question: What was the population increase in San Diego from 2009 to 2011?
is_impossible: yes
context: As of the Census of 2010, there were 1,307,402 people living in the city of San Diego. That represents a population increase of just under 7% from the 1,223,400 people, 450,691 households, and 271,315 families reported in 2000. The estimated city population in 2009 was 1,306,300. The population density was 3,771.9 people per square mile (1,456.4/km2). The racial makeup of San Diego was 45.1% White, 6.7% African American, 0.6% Native American, 15.9% Asian (5.9% Filipino, 2.7% Chinese, 2.5% Vietnamese, 1.3% Indian, 1.0% Korean, 0.7% Japanese, 0.4% Laotian, 0.3% Cambodian, 0.1% Thai). 0.5% Pacific Islander (0.2% Guamanian, 0.1% Samoan, 0.1% Native Hawaiian), 12.3% from other races, and 5.1% from two or more races. The ethnic makeup of the city was 28.8% Hispanic or Latino (of any race); 24.9% of the total population were Mexican American, and 0.6% were Puerto Rican.

qas: question: In what year was the household median income in San Diego at $45,733?
answers: text: 2000
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question: What was the median age of non-Hispanic whites in 2008?
answers: text: 41.6
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question: In 2008, which racial group had the most individuals under the age of 18?
answers: text: Hispanics
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question: Of the population of individuals 55 and older, what percentage were non-Hispanic whites in 2008?
answers: text: 63.1%
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question: What did the average salary increase to at the time of the 2008 census?
answers: text: $66,715
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question: In what year was the household median income in San Francisco at $45,733?
is_impossible: yes

question: What was the median age of non-Hispanic whites in 2009?
is_impossible: yes

question: In 2008, which racial group had the most individuals under the age of 16?
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question: Of the population of individuals 65 and older, what percentage were non-Hispanic whites in 2008?
is_impossible: yes

question: What did the average salary decrease to at the time of the 2008 census?
is_impossible: yes
context: As of January 1, 2008 estimates by the San Diego Association of Governments revealed that the household median income for San Diego rose to $66,715, up from $45,733, and that the city population rose to 1,336,865, up 9.3% from 2000. The population was 45.3% non-Hispanic whites, down from 78.9% in 1970, 27.7% Hispanics, 15.6% Asians/Pacific Islanders, 7.1% blacks, 0.4% American Indians, and 3.9% from other races. Median age of Hispanics was 27.5 years, compared to 35.1 years overall and 41.6 years among non-Hispanic whites; Hispanics were the largest group in all ages under 18, and non-Hispanic whites constituted 63.1% of population 55 and older.

qas: question: What regional planning agency offers graphs and tables of census information for San Diego?
answers: text: SANDAG
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question: What percentage of San Diego's population was under the age of 18 in 2000?
answers: text: 24.0%
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question: Which age group accounted for 10.5% of the population in 2000?
answers: text: 65 and over
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question: In what year was the median age of residents in San Diego 35.6?
answers: text: 2011
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question: What percentage of the population in 2011 were millenials?
answers: text: 27.1%
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question: What regional planning agency offers graphs and tables of census information for San Francisco?
is_impossible: yes

question: What percentage of San Diego's population was under the age of 18 in 2002?
is_impossible: yes

question: Which age group accounted for 10.5% of the population in 2002?
is_impossible: yes

question: In what year was the median age of residents in San Diego 36.5?
is_impossible: yes

question: What percentage of the population in 2010 were millenials?
is_impossible: yes
context: The U.S. Census Bureau reported that in 2000, 24.0% of San Diego residents were under 18, and 10.5% were 65 and over. As of 2011[update] the median age was 35.6; more than a quarter of residents were under age 20 and 11% were over age 65. Millennials (ages 18 through 34) constitute 27.1% of San Diego's population, the second-highest percentage in a major U.S. city. The San Diego County regional planning agency, SANDAG, provides tables and graphs breaking down the city population into 5-year age groups.

qas: question: What percentage of the population fell below the poverty line in San Diego in 2005?
answers: text: 14.6%
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question: What did Money magazine rate San Diego as being in 2006?
answers: text: fifth-best place to live in the United States
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question: What magazine rated San Diego as being the country's fifth wealthiest city?
answers: text: Forbes
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question: In 2000,  what was the median salary for females in San Diego?
answers: text: $31,076
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question: What percentage of familes were below the poverty line in 2005?
answers: text: 10.6%
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question: What percentage of the population fell below the poverty line in San Diego in 2006?
is_impossible: yes

question: What did Money magazine rate San Diego as being in 2005?
is_impossible: yes

question: What magazine rated San Diego as being the country's fourth wealthiest city?
is_impossible: yes

question: In 2010, what was the median salary for females in San Diego?
is_impossible: yes

question: What percentage of familes were below the poverty line in 2015?
is_impossible: yes
context: In 2000, the median income for a household in the city was $45,733, and the median income for a family was $53,060. Males had a median income of $36,984 versus $31,076 for females. The per capita income for the city was $23,609. According to Forbes in 2005, San Diego was the fifth wealthiest U.S. city but about 10.6% of families and 14.6% of the population were below the poverty line, including 20.0% of those under age 18 and 7.6% of those age 65 or over. Nonetheless, San Diego was rated the fifth-best place to live in the United States in 2006 by Money magazine.

qas: question: What type of tours attract a large number of visitors to San Diego?
answers: text: beer tours
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question: What big event takes place in San Diego in November?
answers: text: San Diego Beer Week
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question: What historical mission is a major tourist attraction in San Diego?
answers: text: Mission San Diego de Alcala
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question: What popular park in San Diego is home to the San Diego Zoo, SeaWorld, and countless museums?
answers: text: Balboa Park
is_impossible: no

question: What nickname has the city  been given as a result of its extensive craft beer industry?
answers: text: America's Craft Beer Capital
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question: What type of tours attract a large number of visitors to San Francisco?
is_impossible: yes

question: What big event takes place in San Diego in December?
is_impossible: yes

question: What historical mission is a minor tourist attraction in San Diego?
is_impossible: yes

question: What popular park in San Francisco is home to the San Diego Zoo, SeaWorld, and countless museums?
is_impossible: yes

question: What nickname has the city been given as a result of its extensive craft wine industry?
is_impossible: yes
context: Tourism is a major industry owing to the city's climate, its beaches, and numerous tourist attractions such as Balboa Park, Belmont amusement park, San Diego Zoo, San Diego Zoo Safari Park, and SeaWorld San Diego. San Diego's Spanish and Mexican heritage is reflected in the many historic sites across the city, such as Mission San Diego de Alcala and Old Town San Diego State Historic Park. Also, the local craft brewing industry attracts an increasing number of visitors for "beer tours" and the annual San Diego Beer Week in November; San Diego has been called "America's Craft Beer Capital."

qas: question: Where is San Diego's border crossing?
answers: text: the San Ysidro neighborhood at the San Ysidro Port of Entry
is_impossible: no

question: How long is the border that San Diego shares with Mexico?
answers: text: 15-mile (24 km)
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question: Where is the next nearest commercial crossing at the border?
answers: text: Otay Mesa
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question: What is the volumte of trucks handled at the Otay Mesa crossing?
answers: text: the third-highest volume of trucks and dollar value of trade among all United States-Mexico land crossings.
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question: How many border crossings does San Diego share with Mexico?
answers: text: two
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question: Where is San Francisco's border crossing?
is_impossible: yes

question: How long is the border that San Francisco shares with Mexico?
is_impossible: yes

question: Where is the farthest commercial crossing at the border?
is_impossible: yes

question: What is the volumte of bikes handled at the Otay Mesa crossing?
is_impossible: yes

question: How many border crossings does San Francisco share with Mexico?
is_impossible: yes
context: The city shares a 15-mile (24 km) border with Mexico that includes two border crossings. San Diego hosts the busiest international border crossing in the world, in the San Ysidro neighborhood at the San Ysidro Port of Entry. A second, primarily commercial border crossing operates in the Otay Mesa area; it is the largest commercial crossing on the California-Baja California border and handles the third-highest volume of trucks and dollar value of trade among all United States-Mexico land crossings.

qas: question: Why is San Diego known as an iHub Innovation Center?
answers: text: for collaboration potentially between wireless and life sciences
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question: What cellular  company is one of the city's largest private-sector employers?
answers: text: Qualcomm
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question: What cellular company is headquartered in San Diego that uses the AT&T network?
answers: text: Cricket Communications
is_impossible: no

question: What is San Diego's largest software company?
answers: text: Websense Inc
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question: What sector does ESET fall under?
answers: text: security
is_impossible: no

question: Why is San Francisco known as an iHub Innovation Center?
is_impossible: yes

question: What cellular company is one of the city's smallest private-sector employers?
is_impossible: yes

question: What cellular company is headquartered in San Francisco that uses the AT&T network?
is_impossible: yes

question: What is San Diego's smallest software company?
is_impossible: yes

question: What sector does SEET fall under?
is_impossible: yes
context: San Diego hosts several major producers of wireless cellular technology. Qualcomm was founded and is headquartered in San Diego, and is one of the largest private-sector employers in San Diego. Other wireless industry manufacturers headquartered here include Nokia, LG Electronics, Kyocera International., Cricket Communications and Novatel Wireless. The largest software company in San Diego is security software company Websense Inc. San Diego also has the U.S. headquarters for the Slovakian security company ESET. San Diego has been designated as an iHub Innovation Center for collaboration potentially between wireless and life sciences.

qas: question: What institution has contributed to the growth of fuel biotechnology?
answers: text: University of California
is_impossible: no

question: What city does San Diego come in second to in the biotech industry?
answers: text: Boston
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question: How many contract research organizations are in San Diego?
answers: text: 140
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question: What two areas have the numerous research facilities and offices for biotech companies?
answers: text: La Jolla and nearby Sorrento Valley
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question: What two major biotech companies are headquartered in San Diego?
answers: text: Illumina and Neurocrine Biosciences
is_impossible: no

question: What institution has contributed to the decline of fuel biotechnology?
is_impossible: yes

question: What city does San Diego come in third to in the biotech industry?
is_impossible: yes

question: How many contract research organizations are in San Francisco?
is_impossible: yes

question: What two areas have the few research facilities and offices for biotech companies?
is_impossible: yes

question: What two major biotech companies are headquartered in San Francisco?
is_impossible: yes
context: The presence of the University of California, San Diego and other research institutions has helped to fuel biotechnology growth. In 2013, San Diego has the second-largest biotech cluster in the United States, below the Boston area and above the San Francisco Bay Area. There are more than 400 biotechnology companies in the area. In particular, the La Jolla and nearby Sorrento Valley areas are home to offices and research facilities for numerous biotechnology companies. Major biotechnology companies like Illumina and Neurocrine Biosciences are headquartered in San Diego, while many biotech and pharmaceutical companies have offices or research facilities in San Diego. San Diego is also home to more than 140 contract research organizations (CROs) that provide a variety of contract services for pharmaceutical and biotechnology companies.

qas: question: What museum has a branch at the Santa Fe Depot?
answers: text: Museum of Contemporary Art San Diego (MCASD)
is_impossible: no

question: In what district can historic ship exhibits be found?
answers: text: Columbia district downtown
is_impossible: no

question: Where can one find the San Diego Zoo?
answers: text: Balboa Park
is_impossible: no

question: Which museum houses the USS Midway aircraft carrier?
answers: text: San Diego Aircraft Carrier Museum
is_impossible: no

question: What space-focused museum is in Balboa Park?
answers: text: San Diego Air & Space Museum
is_impossible: no

question: What museum has no branch at the Santa Fe Depot?
is_impossible: yes

question: In what district can't historic ship exhibits be found?
is_impossible: yes

question: Where can one find the San Francisco Zoo?
is_impossible: yes

question: Which museum houses the USA Midway aircraft carrier?
is_impossible: yes

question: What space-focused museum is in Rocky Balboa Park?
is_impossible: yes
context: Many popular museums, such as the San Diego Museum of Art, the San Diego Natural History Museum, the San Diego Museum of Man, the Museum of Photographic Arts, and the San Diego Air & Space Museum are located in Balboa Park, which is also the location of the San Diego Zoo. The Museum of Contemporary Art San Diego (MCASD) is located in La Jolla and has a branch located at the Santa Fe Depot downtown. The downtown branch consists of two building on two opposite streets. The Columbia district downtown is home to historic ship exhibits belonging to the San Diego Maritime Museum, headlined by the Star of India, as well as the unrelated San Diego Aircraft Carrier Museum featuring the USS Midway aircraft carrier.

qas: question: Who is the director of the San Diego Symphony? 
answers: text: Jahja Ling
is_impossible: no

question: Where can one enjoy a performance directed by Christopher Ashley?
answers: text: La Jolla Playhouse at UCSD
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question: Which theater is known for hosting a variety of musicals and plays?
answers: text: San Diego Repertory Theatre at the Lyceum Theatres
is_impossible: no

question: How far back to San Diego's roots in the arts and theater sector go?
answers: text: 1898
is_impossible: no

question: What did Opera America call the San Diego Opera at the Civic Center Plaza?
answers: text: one of the top 10 opera companies in the United States
is_impossible: no

question: Who is the director of the San Francisco Symphony? 
is_impossible: yes

question: Where can one enjoy a performance acted by Christopher Ashley?
is_impossible: yes

question: Which theater is unknown for hosting a variety of musicals and plays?
is_impossible: yes

question: How far back to San Francisco's roots in the arts and theater sector go?
is_impossible: yes

question: What did Opera America call the San Francisco Opera at the Civic Center Plaza?
is_impossible: yes
context: The San Diego Symphony at Symphony Towers performs on a regular basis and is directed by Jahja Ling. The San Diego Opera at Civic Center Plaza, directed by Ian Campbell, was ranked by Opera America as one of the top 10 opera companies in the United States. Old Globe Theatre at Balboa Park produces about 15 plays and musicals annually. The La Jolla Playhouse at UCSD is directed by Christopher Ashley. Both the Old Globe Theatre and the La Jolla Playhouse have produced the world premieres of plays and musicals that have gone on to win Tony Awards or nominations on Broadway. The Joan B. Kroc Theatre at Kroc Center's Performing Arts Center is a 600-seat state-of-the-art theatre that hosts music, dance, and theatre performances. The San Diego Repertory Theatre at the Lyceum Theatres in Horton Plaza produces a variety of plays and musicals. Hundreds of movies and a dozen TV shows have been filmed in San Diego, a tradition going back as far as 1898.

qas: question: What tournament used to be known as the Buick Invitational?
answers: text: Farmers Insurance Open
is_impossible: no

question: How many times were the America's Cup yacht races hosted by the San Diego Yacht Club from 1988 to 1955?
answers: text: three times
is_impossible: no

question: What beach sport was inveted in San Diego?
answers: text: Over-the-line
is_impossible: no

question: What yacht-related event is held annually in Mission Bay?
answers: text: Over-the-line championships
is_impossible: no

question: What golf course hosts the Farmers Insurance Open?
answers: text: Torrey Pines Golf Course
is_impossible: no

question: What tournament used to be known as the Dodge Invitational?
is_impossible: yes

question: How many times were the America's Cup yacht races hosted by the San Diego Yacht Club from 1988 to 1945?
is_impossible: yes

question: What beach sport was invented in San Francisco?
is_impossible: yes

question: What yacht-related event is held biannually in Mission Bay?
is_impossible: yes

question: What golf course hosts the Farmers Insurance Closed?
is_impossible: yes
context: The San Diego Surf of the American Basketball Association is located in the city. The annual Farmers Insurance Open golf tournament (formerly the Buick Invitational) on the PGA Tour occurs at Torrey Pines Golf Course. This course was also the site of the 2008 U.S. Open Golf Championship. The San Diego Yacht Club hosted the America's Cup yacht races three times during the period 1988 to 1995. The amateur beach sport Over-the-line was invented in San Diego, and the annual world Over-the-line championships are held at Mission Bay every year.

qas: question: In what year did the city vote to change to a strong mayor government?
answers: text: 2004
is_impossible: no

question: How many employees are there in San Diego for every 137 residents?
answers: text: one
is_impossible: no

question: What is the number of members on the city's council?
answers: text: 9
is_impossible: no

question: Despite being a sanctuary city, what program does San Diego county participate in?
answers: text: Secure Communities program
is_impossible: no

question: What is the county's payroll?
answers: text: greater than $733 million.
is_impossible: no

question: In what year did the city vote to change to a weak mayor government?
is_impossible: yes

question: How many employees are there in San Diego for every 37 residents?
is_impossible: yes

question: What is the number of members on the county's council?
is_impossible: yes

question: Despite being a sanctuary city, what program does San Francisco county participate in?
is_impossible: yes

question: What is the city's payroll?
is_impossible: yes
context: The city is governed by a mayor and a 9-member city council. In 2006, the city's form of government changed from a council–manager government to a strong mayor government. The change was brought about by a citywide vote in 2004. The mayor is in effect the chief executive officer of the city, while the council is the legislative body. The City of San Diego is responsible for police, public safety, streets, water and sewer service, planning and zoning, and similar services within its borders. San Diego is a sanctuary city, however, San Diego County is a participant of the Secure Communities program. As of 2011[update], the city had one employee for every 137 residents, with a payroll greater than $733 million.

qas: question: Who votes in the city's attorney and mayor?
answers: text: voters of the entire city
is_impossible: no

question: How long is the term for council members?
answers: text: four-year terms,
is_impossible: no

question: Were there more Democrats or Republicans in 2007?
answers: text: Democrats outnumbered Republicans by about 7 to 6
is_impossible: no

question: Who is Kevin Faulconer?
answers: text: current mayor
is_impossible: no

question: Who elects members of city council?
answers: text: single member districts within the city
is_impossible: no

question: Who votes in the city's attorney and general?
is_impossible: yes

question: How long is the term for security members?
is_impossible: yes

question: Were there more Democrats or Republicans in 2017?
is_impossible: yes

question: Who isn't Kevin Faulconer?
is_impossible: yes

question: Who fires members of city council?
is_impossible: yes
context: The members of the city council are each elected from single member districts within the city. The mayor and city attorney are elected directly by the voters of the entire city. The mayor, city attorney, and council members are elected to four-year terms, with a two-term limit. Elections are held on a non-partisan basis per California state law; nevertheless, most officeholders do identify themselves as either Democrats or Republicans. In 2007, registered Democrats outnumbered Republicans by about 7 to 6 in the city, and Democrats currently (as of 2015[update]) hold a 5-4 majority in the city council. The current mayor, Kevin Faulconer, is a Republican.

qas: question: What two members of city council were convicted of extortion in 2005?
answers: text: Ralph Inzunza and Deputy Mayor Michael Zucchet
is_impossible: no

question: What strip club-related law were the council members trying to repeal?
answers: text: no touch
is_impossible: no

question: In what year were Zucchet's seven out of nine counts acquitted?
answers: text: 2009
is_impossible: no

question: How long was Inzunza's  prison sentence?
answers: text: 21 months
is_impossible: no

question: Who did Inzunza and Zucche accept money from?
answers: text: a strip club owner and his associates
is_impossible: no

question: What two members of city council were convicted of extortion in 2015?
is_impossible: yes

question: What strip club-related law were the council members trying to repeat?
is_impossible: yes

question: In what year were Zucchet's seven out of ten counts acquitted?
is_impossible: yes

question: How long was Inzunza's hopital sentence?
is_impossible: yes

question: Who did Inzunza and Zucche reject money from?
is_impossible: yes
context: In 2005 two city council members, Ralph Inzunza and Deputy Mayor Michael Zucchet – who briefly took over as acting mayor when Murphy resigned – were convicted of extortion, wire fraud, and conspiracy to commit wire fraud for taking campaign contributions from a strip club owner and his associates, allegedly in exchange for trying to repeal the city's "no touch" laws at strip clubs. Both subsequently resigned. Inzunza was sentenced to 21 months in prison. In 2009, a judge acquitted Zucchet on seven out of the nine counts against him, and granted his petition for a new trial on the other two charges; the remaining charges were eventually dropped.

qas: question: Why was Mayor Bob Filner asked to resign?
answers: text: allegations of repeated sexual harassment
is_impossible: no

question: How many women claimed to be sexually harassed by Filner?
answers: text: 18
is_impossible: no

question: What was Filner's sentence?
answers: text: house arrest and probation
is_impossible: no

question: When did a mediation process begin between Filner and a city representative?
answers: text: August 19
is_impossible: no

question: How long did Filner's trial last?
answers: text: six weeks
is_impossible: no

question: Why was Mayor Bob Filner asked to re-sign for longer?
is_impossible: yes

question: How many men claimed to be sexually harassed by Filner?
is_impossible: yes

question: What wasn't Filner's sentence?
is_impossible: yes

question: When did a mediation process begin between Filner and a county representative?
is_impossible: yes

question: How long did Filner's term last?
is_impossible: yes
context: In July 2013, three former supporters of Mayor Bob Filner asked him to resign because of allegations of repeated sexual harassment. Over the ensuing six weeks, 18 women came forward to publicly claim that Filner had sexually harassed them, and multiple individuals and groups called for him to resign. On August 19 Filner and city representatives entered a mediation process, as a result of which Filner agreed to resign, effective August 30, 2013, while the city agreed to limit his legal and financial exposure. Filner subsequently pleaded guilty to one felony count of false imprisonment and two misdemeanor battery charges, and was sentenced to house arrest and probation.

qas: question: What happened to the crime rate in San Diego between 1990 and 2000?
answers: text: San Diego had a declining crime rate from 1990 to 2000
is_impossible: no

question: What did Business Insider call San Diego in 2013?
answers: text: 20th-safest city in America
is_impossible: no

question: In what place did Forbes rank San Diego on it's top 10 list?
answers: text: ninth
is_impossible: no

question: What percentage did the crime rate in San Diego drop from 2002 to 2006?
answers: text: 0.8%
is_impossible: no

question: What type of crime increased between 2002 and 2006?
answers: text: property crime
is_impossible: no

question: What happened to the crime rate in San Diego between 1990 and 2010?
is_impossible: yes

question: What did Business Insider call San Diego in 2003?
is_impossible: yes

question: In what place did Forbes rank San Diego on it's top 5 list?
is_impossible: yes

question: What percentage did the crime rate in San Diego drop from 2002 to 2016?
is_impossible: yes

question: What type of crime increased between 2002 and 2016?
is_impossible: yes
context: San Diego was ranked as the 20th-safest city in America in 2013 by Business Insider. According to Forbes magazine, San Diego was the ninth-safest city in the top 10 list of safest cities in the U.S. in 2010. Like most major cities, San Diego had a declining crime rate from 1990 to 2000. Crime in San Diego increased in the early 2000s. In 2004, San Diego had the sixth lowest crime rate of any U.S. city with over half a million residents. From 2002 to 2006, the crime rate overall dropped 0.8%, though not evenly by category. While violent crime decreased 12.4% during this period, property crime increased 1.1%. Total property crimes per 100,000 people were lower than the national average in 2008.

qas: question: Which television station began broadcasting  on May 16, 1949?
answers: text: KFMB
is_impossible: no

question: What is San Diego's cable penetration rate?
answers: text: 80.6 percent
is_impossible: no

question: Why was San Diego eligible for two VHF channels?
answers: text: because of its relative proximity to the larger city
is_impossible: no

question: In what year did UHF channels beging being licensed by the FCC?
answers: text: 1952
is_impossible: no

question: What independent station is in San Diego?
answers: text: KUSI 51
is_impossible: no

question: Which television station began broadcasting on May 16, 1994?
is_impossible: yes

question: What is San Francisco's cable penetration rate?
is_impossible: yes

question: Why was San Diego ineligible for two VHF channels?
is_impossible: yes

question: In what year did VHF channels beging being licensed by the FCC?
is_impossible: yes

question: What dependent station is in San Diego?
is_impossible: yes
context: San Diego's first television station was KFMB, which began broadcasting on May 16, 1949. Since the Federal Communications Commission (FCC) licensed seven television stations in Los Angeles, two VHF channels were available for San Diego because of its relative proximity to the larger city. In 1952, however, the FCC began licensing UHF channels, making it possible for cities such as San Diego to acquire more stations. Stations based in Mexico (with ITU prefixes of XE and XH) also serve the San Diego market. Television stations today include XHTJB 3 (Once TV), XETV 6 (CW), KFMB 8 (CBS), KGTV 10 (ABC), XEWT 12 (Televisa Regional), KPBS 15 (PBS), KBNT-CD 17 (Univision), XHTIT-TDT 21 (Azteca 7), XHJK-TDT 27 (Azteca 13), XHAS 33 (Telemundo), K35DG-D 35 (UCSD-TV), KDTF-LD 51 (Telefutura), KNSD 39 (NBC), KZSD-LP 41 (Azteca America), KSEX-CD 42 (Infomercials), XHBJ-TDT 45 (Gala TV), XHDTV 49 (MNTV), KUSI 51 (Independent), XHUAA-TDT 57 (Canal de las Estrellas), and KSWB-TV 69 (Fox). San Diego has an 80.6 percent cable penetration rate.

qas: question: How many duopolies does the Mexico side of San Diego-Tijuana have?
answers: text: two
is_impossible: no

question: What company owns XHDTV-TV and XHAS-TV?
answers: text: Entravision Communications
is_impossible: no

question: Which station is ran by Bay City Television?
answers: text: XETV-TV
is_impossible: no

question: What two stations are owned by Azteca?
answers: text: XHJK-TV and XHTIT-TV
is_impossible: no

question: How many duopolies doesn't the Mexico side of San Diego-Tijuana have?
is_impossible: yes

question: What company disowns XHDTV-TV and XHAS-TV?
is_impossible: yes

question: Which station is ran by Ray City Television?
is_impossible: yes

question: Which station isn't ran by Bay City Television?
is_impossible: yes

question: What three stations are owned by Azteca?
is_impossible: yes
context: Due to the ratio of U.S. and Mexican-licensed stations, San Diego is the largest media market in the United States that is legally unable to support a television station duopoly between two full-power stations under FCC regulations, which disallow duopolies in metropolitan areas with fewer than nine full-power television stations and require that there must be eight unique station owners that remain once a duopoly is formed (there are only seven full-power stations on the California side of the San Diego-Tijuana market).[citation needed] Though the E. W. Scripps Company owns KGTV and KZSD-LP, they are not considered a duopoly under the FCC's legal definition as common ownership between full-power and low-power television stations in the same market is permitted regardless to the number of stations licensed to the area. As a whole, the Mexico side of the San Diego-Tijuana market has two duopolies and one triopoly (Entravision Communications owns both XHAS-TV and XHDTV-TV, Azteca owns XHJK-TV and XHTIT-TV, and Grupo Televisa owns XHUAA-TV and XHWT-TV along with being the license holder for XETV-TV, which is run by California-based subsidiary Bay City Television).

qas: question: What is another name Free Radio San Diego is known by?
answers: text: Pirate Radio San Diego
is_impossible: no

question: In addition to Free Radio San Diego, what other pirate station is in San Diego?
answers: text: 106.9FM
is_impossible: no

question: What is the largest nationwide broadcaster in San Diego?
answers: text: Clear Channel Communications
is_impossible: no

question: Which language are some local radio stations available in?
answers: text: Spanish
is_impossible: no

question: What is the exact setting for FM News & Talk?
answers: text: 95.7
is_impossible: no

question: What is another name Free Radio San Francisco is known by?
is_impossible: yes

question: Which language are all local radio stations available in?
is_impossible: yes

question: In addition to Free Radio San Diego, what other pirate station is in San Francisco?
is_impossible: yes

question: What is the largest nationwide broadcaster in San Francisco?
is_impossible: yes

question: What is the exact setting for AM News & Talk?
is_impossible: yes
context: The radio stations in San Diego include nationwide broadcaster, Clear Channel Communications; CBS Radio, Midwest Television, Lincoln Financial Media, Finest City Broadcasting, and many other smaller stations and networks. Stations include: KOGO AM 600, KFMB AM 760, KCEO AM 1000, KCBQ AM 1170, K-Praise, KLSD AM 1360 Air America, KFSD 1450 AM, KPBS-FM 89.5, Channel 933, Star 94.1, FM 94/9, FM News and Talk 95.7, Q96 96.1, KyXy 96.5, Free Radio San Diego (AKA Pirate Radio San Diego) 96.9FM FRSD, KSON 97.3/92.1, KXSN 98.1, Jack-FM 100.7, 101.5 KGB-FM, KLVJ 102.1, Rock 105.3, and another Pirate Radio station at 106.9FM, as well as a number of local Spanish-language radio stations.

qas: question: What major interstate runs from Tijuana to Los Angeles?
answers: text: Interstate 8
is_impossible: no

question: Where does Interstate 805 split from I-5?
answers: text: near the Mexican border
is_impossible: no

question: Which interstate directly connects the east with the Arizona Sun Corridor and Imperial County?
answers: text: Interstate 8
is_impossible: no

question: What two major cities are Inland Empire connected to via Interstate 15?
answers: text: Las Vegas and Salt Lake City
is_impossible: no

question: What percentage of San Diego's residents rely on theri automobile as a primary source of transportation?
answers: text: over 80 percent
is_impossible: no

question: What minor interstate runs from Tijuana to Los Angeles?
is_impossible: yes

question: Where does Interstate 805 split from I-6?
is_impossible: yes

question: What two major cities are Inland Empire connected to via Interstate 51?
is_impossible: yes

question: What percentage of San Francisco's residents rely on their automobile as a primary source of transportation?
is_impossible: yes
context: With the automobile being the primary means of transportation for over 80 percent of its residents, San Diego is served by a network of freeways and highways. This includes Interstate 5, which runs south to Tijuana and north to Los Angeles; Interstate 8, which runs east to Imperial County and the Arizona Sun Corridor; Interstate 15, which runs northeast through the Inland Empire to Las Vegas and Salt Lake City; and Interstate 805, which splits from I-5 near the Mexican border and rejoins I-5 at Sorrento Valley.

qas: question: What highway connects the I-805 with the downtown area?
answers: text: SR 94
is_impossible: no

question: Where does SR 94 merge with I-15?
answers: text: at Miramar
is_impossible: no

question: Where does SR 75 flow primarily through?
answers: text: San Diego Bay
is_impossible: no

question: What highway connects the I-905 with the downtown area?
is_impossible: yes

question: What highway connects the I-805 with the uptown area?
is_impossible: yes

question: Where does SR 49 merge with I-15?
is_impossible: yes

question: Where does SR 94 merge with I-51?
is_impossible: yes

question: Where does SR 57 flow primarily through?
is_impossible: yes
context: Major state highways include SR 94, which connects downtown with I-805, I-15 and East County; SR 163, which connects downtown with the northeast part of the city, intersects I-805 and merges with I-15 at Miramar; SR 52, which connects La Jolla with East County through Santee and SR 125; SR 56, which connects I-5 with I-15 through Carmel Valley and Rancho Peñasquitos; SR 75, which spans San Diego Bay as the San Diego-Coronado Bridge, and also passes through South San Diego as Palm Avenue; and SR 905, which connects I-5 and I-805 to the Otay Mesa Port of Entry.

qas: question: In what year was San Diego rated as the country's best densely populated city for cycling?
answers: text: 2006
is_impossible: no

question: Why are older neighborhoods in San Diego popular with cyclists?
answers: text: the grid street patterns
is_impossible: no

question: What makes San Diego the ideal city to commute via bike?
answers: text: dry and mild climate
is_impossible: no

question: Why are average trip distances so lengthy in San Diego?
answers: text: the city's hilly, canyon-like terrain
is_impossible: no

question: In what year was San Diego rated as the country's worst densely populated city for cycling?
is_impossible: yes

question: Why are older neighborhoods in San Diego unpopular with cyclists?
is_impossible: yes

question: Why are older neighborhoods in San Francisco popular with cyclists?
is_impossible: yes

question: What makes San Francisco the ideal city to commute via bike?
is_impossible: yes

question: Why are average trip distances so lengthy in San Francisco?
is_impossible: yes
context: San Diego's roadway system provides an extensive network of routes for travel by bicycle. The dry and mild climate of San Diego makes cycling a convenient and pleasant year-round option. At the same time, the city's hilly, canyon-like terrain and significantly long average trip distances—brought about by strict low-density zoning laws—somewhat restrict cycling for utilitarian purposes. Older and denser neighborhoods around the downtown tend to be utility cycling oriented. This is partly because of the grid street patterns now absent in newer developments farther from the urban core, where suburban style arterial roads are much more common. As a result, a vast majority of cycling-related activities are recreational. Testament to San Diego's cycling efforts, in 2006, San Diego was rated as the best city for cycling for U.S. cities with a population over 1 million.

qas: question: What areas of San Diego are primarily served by the trolley?
answers: text: downtown and surrounding urban communities
is_impossible: no

question: What public transportation is in the works to be completed by 2018?
answers: text: A planned Mid-Coast extension of the Trolley
is_impossible: no

question: How many Amtrak stations are in San Diego?
answers: text: two
is_impossible: no

question: What number can you dial from any phone for public transportation information in San Diego?
answers: text: 511
is_impossible: no

question: Where do the Amtrak and Coaster trains primarily run?
answers: text: along the coastline
is_impossible: no

question: What areas of San Francisco are primarily served by the trolley?
is_impossible: yes

question: What public transportation is in the works to be completed by 2019?
is_impossible: yes

question: How many Amtrak stations are in San Francisco?
is_impossible: yes

question: What number can you dial from any phone for public transportation information in San Francisco?
is_impossible: yes

question: Where do the Amtrak and Coaster trains primarily never run?
is_impossible: yes
context: San Diego is served by the San Diego Trolley light rail system, by the SDMTS bus system, and by Coaster and Amtrak Pacific Surfliner commuter rail; northern San Diego county is also served by the Sprinter light rail line. The Trolley primarily serves downtown and surrounding urban communities, Mission Valley, east county, and coastal south bay. A planned Mid-Coast extension of the Trolley will operate from Old Town to University City and the University of California, San Diego along the I-5 Freeway, with planned operation by 2018. The Amtrak and Coaster trains currently run along the coastline and connect San Diego with Los Angeles, Orange County, Riverside, San Bernardino, and Ventura via Metrolink and the Pacific Surfliner. There are two Amtrak stations in San Diego, in Old Town and the Santa Fe Depot downtown. San Diego transit information about public transportation and commuting is available on the Web and by dialing "511" from any phone in the area.

qas: question: What is the more popular name of Lindbergh Field?
answers: text: San Diego International Airport (SAN)
is_impossible: no

question: What independent agency operates San Diego International Airport?
answers: text: San Diego Regional Airport Authority
is_impossible: no

question: What is the purpose of the Tijuana Cross-border Terminal?
answers: text: give direct access to Tijuana International Airport
is_impossible: no

question: How many passengers did San Diego Internatonal Airport serve in 2005?
answers: text: 17 million
is_impossible: no

question: What two general aviation airports are operated by the San Diego Regional Airport Authority?
answers: text: Montgomery Field (MYF) and Brown Field (SDM)
is_impossible: no

question: What is the less popular name of Lindbergh Field?
is_impossible: yes

question: What independent agency operates San Francisco International Airport?
is_impossible: yes

question: What isn't the purpose of the Tijuana Cross-border Terminal?
is_impossible: yes

question: How many passengers did San Diego Internatonal Airport serve in 2015?
is_impossible: yes

question: What two general aviation airports are operated by the San Francisco Regional Airport Authority?
is_impossible: yes
context: The city's primary commercial airport is the San Diego International Airport (SAN), also known as Lindbergh Field. It is the busiest single-runway airport in the United States. It served over 17 million passengers in 2005, and is dealing with an increasingly larger number every year. It is located on San Diego Bay three miles (4.8 km) from downtown. San Diego International Airport maintains scheduled flights to the rest of the United States including Hawaii, as well as to Mexico, Canada, Japan, and the United Kingdom. It is operated by an independent agency, the San Diego Regional Airport Authority. In addition, the city itself operates two general-aviation airports, Montgomery Field (MYF) and Brown Field (SDM). By 2015, the Tijuana Cross-border Terminal in Otay Mesa will give direct access to Tijuana International Airport, with passengers walking across the U.S.–Mexico border on a footbridge to catch their flight on the Mexican side.

qas: question: What is the name given to the highly congested spot where Interstates 5 and 805 meet?
answers: text: The Merge
is_impossible: no

question: What tollway connects Otay Mesa with SR 54?
answers: text: The South Bay Expressway
is_impossible: no

question: Which terminal was expanded in the San Diego International Airport in 2013?
answers: text: Terminal 2
is_impossible: no

question: What type of special lanes were added to Interstate 15?
answers: text: high-occupancy-vehicle (HOV) "managed lanes"
is_impossible: no

question: In 2007, what percentage of the roads in San Diego were considered acceptable?
answers: text: 37 percent
is_impossible: no

question: What is the name given to the highly congested spot where Interstates 85 and 805 meet?
is_impossible: yes

question: What tollway connects Otay Mesa with SR 45?
is_impossible: yes

question: Which terminal was expanded in the San Diego International Airport in 2003?
is_impossible: yes

question: What type of special lanes were added to Interstate 51?
is_impossible: yes

question: In 2017, what percentage of the roads in San Diego were considered acceptable?
is_impossible: yes
context: Numerous regional transportation projects have occurred in recent years to mitigate congestion in San Diego. Notable efforts are improvements to San Diego freeways, expansion of San Diego Airport, and doubling the capacity of the cruise ship terminal of the port. Freeway projects included expansion of Interstates 5 and 805 around "The Merge," a rush-hour spot where the two freeways meet. Also, an expansion of Interstate 15 through the North County is underway with the addition of high-occupancy-vehicle (HOV) "managed lanes". There is a tollway (The South Bay Expressway) connecting SR 54 and Otay Mesa, near the Mexican border. According to a 2007 assessment, 37 percent of streets in San Diego were in acceptable driving condition. The proposed budget fell $84.6 million short of bringing the city's streets to an acceptable level. Port expansions included a second cruise terminal on Broadway Pier which opened in 2010. Airport projects include expansion of Terminal 2, currently under construction and slated for completion in summer 2013.

qas: question: What is a college in San Francisco?
is_impossible: yes

question: What is another college in San Francisco?
is_impossible: yes
context: Private colleges and universities in the city include University of San Diego (USD), Point Loma Nazarene University (PLNU), Alliant International University (AIU), National University, California International Business University (CIBU), San Diego Christian College, John Paul the Great Catholic University, California College San Diego, Coleman University, University of Redlands School of Business, Design Institute of San Diego (DISD), Fashion Institute of Design & Merchandising's San Diego campus, NewSchool of Architecture and Design, Pacific Oaks College San Diego Campus, Chapman University's San Diego Campus, The Art Institute of California – San Diego, Platt College, Southern States University (SSU), UEI College, and Woodbury University School of Architecture's satellite campus.