Task: Question Answering
Input (English): Context: KGRB ( 94.3 FM , `` Radio Lazer 94.3 '' ) is an American radio station broadcasting a Regional Mexican music format . It is licensed to Jackson , California , USA , and serves the Sacramento , California , area . The station used to be owned by Adelante Media Group , LLC. On October 21 , 2014 , Adelante announced that it was selling KGRB , its sister stations and its LPTV outlet in Sacramento to Lazer Broadcasting , pending FCC approval The transaction was consummated effective December 31 , 2014 , at a price of $ 2.9 million ., Harvard University is a private Ivy League research university in Cambridge, Massachusetts, established in 1636, whose history, influence, and wealth have made it one of the world's most prestigious universities., A census is the procedure of systematically acquiring and recording information about the members of a given population. It is a regularly occurring and official count of a particular population. The term is used mostly in connection with national population and housing censuses; other common censuses include agriculture, business, and traffic censuses. The United Nations defines the essential features of population and housing censuses as "individual enumeration, universality within a defined territory, simultaneity and defined periodicity", and recommends that population censuses be taken at least every 10 years. United Nations recommendations also cover census topics to be collected, official definitions, classifications and other useful information to co-ordinate international practice., Sacramento is the capital city of the U.S. state of California and the seat of Sacramento County. It is at the confluence of the Sacramento River and the American River in the northern portion of California's expansive Central Valley. Its estimated 2014 population of 485,199 made it the sixth-largest city in California, and the 35th largest city in the United States. Sacramento is the cultural and economic core of the Sacramento metropolitan area, which includes seven counties with a 2010 population of 2,414,783. Its metropolitan area is the fourth largest in California after the Greater Los Angeles area, the San Francisco Bay Area, and the San Diego metropolitan area, and is the 27th largest in the United States. In 2002, the Civil Rights Project at Harvard University conducted for "Time" magazine named Sacramento "America's Most Diverse City"., The Sacramento River is the principal river of Northern California in the United States, and is the largest river in California. Rising in the Klamath Mountains, the river flows south for before reaching the SacramentoSan Joaquin River Delta and San Francisco Bay. The river drains about in 19 California counties, mostly within the fertile agricultural region bounded by the Coast Ranges and Sierra Nevada known as the Sacramento Valley, but also extending as far as the volcanic plateaus of Northeastern California. Historically, its watershed has reached as far north as south-central Oregon where the now, primarily, endorheic (closed) Goose Lake rarely experiences southerly outflow into the Pit River, the most northerly tributary of the Sacramento., A radio station is a set of equipment necessary to carry on communication via radio waves. Generally, it is a receiver or transmitter, an antenna, and some smaller additional equipment necessary to operate them. Radio stations play a vital role in communication technology as they are heavily relied on to transfer data and information across the world., Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies as high as 300 GHz to as low as 3 kHz, though some definitions describe waves above 1 or 3 GHz as microwaves, or include waves of any lower frequency. At 300 GHz, the corresponding wavelength is , and at 3 kHz is . Like all other electromagnetic waves, they travel at the speed of light. Naturally occurring radio waves are generated by lightning, or by astronomical objects. , The San Francisco Bay Area (referred to locally as the Bay Area) is a populous region surrounding the San Francisco and San Pablo estuaries in Northern California. The region encompasses the major cities and metropolitan areas of San Jose, San Francisco, and Oakland, along with smaller urban and rural areas. The Bay Area's nine counties are Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma. Home to approximately 7.65 million people, the nine-county Bay Area contains many cities, towns, airports, and associated regional, state, and national parks, connected by a network of roads, highways, railroads, bridges, tunnels and commuter rail. The combined statistical area of the region is the second-largest in California (after the Greater Los Angeles area), the fifth-largest in the United States, and the 43rd-largest urban area in the world., Jackson (formerly, Botilleas, Botilleas Spring, Bottileas, Bottle Spring, and Botellas) is the county seat of Amador County, California. The population was 4,651 at the 2010 census, up from 3,989 at the 2000 census. The city is accessible by both State Route 49 and State Route 88., Amador County, officially the County of Amador, is a county in the U.S. state of California, in the Sierra Nevada. As of the 2010 census, the population was 38,091. The county seat is Jackson., The American River (Río de los Americanos during the Mexican-ruled period before 1846) is a 119 mile long California river which runs from the Sierra Nevada mountain range to its confluence with the Sacramento River in the Sacramento Valley. Via the Sacramento River, it is part of the San Francisco Bay and Pacific Ocean watershed. The river is fed by the melting snowpack of the Sierra Nevada and its many headwaters and tributaries, including the North, Middle, and South Forks., Subject: kgrb , Relation: inception, Options: (A) 10 (B) 1636 (C) 1846 (D) 19 (E) 2 (F) 2000 (G) 2002 (H) 2010 (I) 2014 (J) 300 (K) 4 (L) 7
Output (English): 2002