Question: When did cable cars come into use in the city where That's So Raven takes place?

full_context: Document 1: That's So Raven: The show was so popular that it received a spin - off focusing on Cory. The show was called Cory In The House. The series lasted for two seasons and had 34 episodes. In October 2016, Raven - Symoné announced that there would be a spin - off about Raven raising her two children, one with psychic visions. The show, titled Raven's Home, premiered on July 21, 2017.
Document 2: San Francisco cable car system: San Francisco cable car system Cable car on Powell Street Overview Owner San Francisco Municipal Transportation Agency Area served Chinatown, Financial District, Fisherman's Wharf, Nob Hill, Russian Hill, Union Square Locale San Francisco Transit type Cable car Number of lines Line number 59 Powell - Mason 60 Powell - Hyde 61 California St. Number of stations 62 Daily ridership 20,100 (2014) Annual ridership 7,409,400 (2014) Headquarters San Francisco Cable Car Museum Website sfmta.com Operation Began operation California St. line: 1878 Powell - Mason line: 1888 Powell - Hyde line: 1957 Operator (s) San Francisco Municipal Railway Reporting marks MUNI Character Street running with some reserved right - of - ways Number of vehicles California St. line: 12 double - ended cars Powell - Mason / Hyde lines: 28 single - ended cars Train length 1 grip car Technical System length California St. line: 1.4 mi (2.3 km) Powell - Mason line: 1.6 mi (2.6 km) Powell - Hyde line: 2.1 mi (3.4 km) No. of tracks Track gauge 3 ft 6 in (1,067 mm) Top speed 9.5 mph (15.3 km / h) hide System map
Document 3: That's So Raven: Alana Rivera is Raven's ex-best friend. She finds great pleasure in teasing and bullying Raven. She hangs out with her posse, which includes followers Muffy and Loka. She was first introduced in Season 2 in the episode ``Do n't Have a Cow ''. In`` Run Raven Run'', we learn that Alana and Raven were best friends until 4th grade when a school play had them both competing for the role of the Tooth Fairy (which Raven got, while Alana portrayed the tooth decay), and would ultimately end their friendship. Alana and Raven almost became friends again when Raven ``teamed up ''with Alana's posse (in the episode`` Clothes Minded''), which happens after Chelsea and Eddie do not support Raven's school ``protest ''. In the episode`` Run, Raven, Run'', Raven and Alana briefly become friends until Chelsea reveals that Raven put chewing gum in Alana's hair. This causes her to get her head shaved and covered up. Alana, Muffy, and Loka also spend the night at Raven's house in the episode ``Shake, Rattle, and Rae ''. In this episode, Raven and Alana almost become friends again, until Alana announces that`` the score is 1 -- 0''. She was replaced in season 3 by Bianca (Erica Rivera), because, according to Muffy, she was so bad, she got sent to military school, while Bianca was so bad that she got kicked out of military school.
Document 4: London Underground: London Underground A deep - level Central line train at Lancaster Gate bound for Ealing Broadway A larger sub-surface Metropolitan line train at Farringdon bound for Aldgate Overview Locale Greater London, Buckinghamshire, Essex, Hertfordshire Transit type Rapid transit Number of lines 11 Number of stations 270 served (260 owned) Daily ridership 5 million Annual ridership 1.379 billion (2016 / 17) Website London Underground Operation Began operation 10 January 1863; 154 years ago (1863 - 01 - 10) Operator (s) London Underground Limited Reporting marks LT (National Rail) Technical System length 402 km (250 mi) Track gauge 1,435 mm (4 ft 8 ⁄ in) standard gauge Electrification 630 V DC fourth rail Average speed 33 km / h (21 mph)
Document 5: San Diego: 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.
Document 6: London: London's first and only cable car, known as the Emirates Air Line, opened in June 2012. Crossing the River Thames, linking Greenwich Peninsula and the Royal Docks in the east of the city, the cable car is integrated with London's Oyster Card ticketing system, although special fares are charged. Costing £60 million to build, it carries over 3,500 passengers every day, although this is very much lower than its capacity. Similar to the Santander Cycles bike hire scheme, the cable car is sponsored in a 10-year deal by the airline Emirates.
Document 7: Fisherman's Wharf, San Francisco: Fisherman's Wharf is a neighborhood and popular tourist attraction in San Francisco, California. It roughly encompasses the northern waterfront area of San Francisco from Ghirardelli Square or Van Ness Avenue east to Pier 35 or Kearny Street. The F Market streetcar runs through the area, the Powell-Hyde cable car lines runs to Aquatic Park, at the edge of Fisherman's Wharf, and the Powell-Mason cable car line runs a few blocks away.
Document 8: That's So Raven: Devon Carter is Raven's steady boyfriend from seasons 2 -- 4. He previously had braces on his teeth and bad acne, and was known as ``Bucktooth Carter ''. After he had his braces removed and his face`` cleared up'' over the summer, and came back to school, Raven and Alana were constantly fighting to be his girlfriend. He eventually becomes Raven's boyfriend, and continues to be, even after he moves to Seattle, Washington. Although he and his family move to Seattle, he still sees Raven when his father visits San Francisco on business trips. After his family leaves Tanya assures Raven that Devon will always be in her heart. Even though they say they are each other's ``only love '', we also see Raven have numerous crushes between Devon's visits. Devon has a little sister named Nadine who is jealous of Raven because she does n't want to share her big brother. In the second spin - off, Raven's Home, Devon and Raven eventually married but got divorced. In between that time, they had two children Nia and Booker - latter of whom, shares Raven's ability to see into the future.
Document 9: Raven's Home: Best friends Raven and Chelsea, both divorced single mothers, are now raising their children in an apartment together in Chicago. Their house is turned upside down when they realize one of Raven's children, Booker, has inherited the same psychic abilities as his mother.
Document 10: Portland, Oregon: Car sharing through Zipcar, Car2Go, Getaround, and Uhaul Car Share is available to residents of the city and some inner suburbs. Portland has a commuter aerial cableway, the Portland Aerial Tram, which connects the South Waterfront district on the Willamette River to the Oregon Health & Science University campus on Marquam Hill above.
Document 11: List of Barcelona Metro stations: Lines L1, L2, L3, L4, L5, L9, L10, L11 and the Funicular de Montjuïc are administered by Transports Metropolitans de Barcelona (TMB), the city's transit company. Lines L6, L7, L8 and L12 are in origin commuter train services with extended frequency and integrated into the metro network, numbered as such, and run by the public Ferrocarrils de la Generalitat de Catalunya (FGC), which belongs to the Catalan government or Generalitat de Catalunya.
Document 12: That's So Raven: The show was set in San Francisco and revolved around teenager Raven Baxter, played by Raven - Symoné, her friends Eddie (Orlando Brown) and Chelsea (Anneliese van der Pol), her family members; mother Tanya Baxter (T'Keyah Crystal Keymáh), father Victor Baxter (Rondell Sheridan) and brother Cory (Kyle Massey). The title character drew on her psychic powers, ingenuity, and talent as a fashion designer as well as a variety of disguises to get into and out of amusing adolescent and pre-adolescent situations.
Document 13: That's So Raven: T'Keyah Crystal Keymáh portrays Tanya Baxter. (seasons 1 -- 3). Tanya is the mother of Raven and Cory, and wife of Victor. She is a firm, but fun and caring mother who, despite the antics of her children, is always there for them. She halted her studies to raise her family, but decided once the children were older to continue studying law. Before that, she briefly worked as Raven's English teacher at the request of Raven's school principal. Her catchphrase is ``Momma like! ''She has a very competitive nature to her personality. It's learned that her mother, Viv, is also psychic. In season 4, Tanya is not present; it is said that she has gone off to England to attend law school. On Cory in the House, she is still in England and she does not visit Cory and Victor but is mentioned. In the pilot episode of Raven's Home, it is revealed by Booker that Tanya is still living.
Document 14: Raven's Home: Raven's Home is an American family sitcom television series developed by Jed Elinoff and Scott Thomas that premiered on Disney Channel on July 21, 2017. The series stars Raven - Symoné, Issac Ryan Brown, Navia Robinson, Jason Maybaum, Sky Katz, and Anneliese van der Pol.
Document 15: Miami: Miami's heavy-rail rapid transit system, Metrorail, is an elevated system comprising two lines and 23 stations on a 24.4-mile (39.3 km)-long line. Metrorail connects the urban western suburbs of Hialeah, Medley, and inner-city Miami with suburban The Roads, Coconut Grove, Coral Gables, South Miami and urban Kendall via the central business districts of Miami International Airport, the Civic Center, and Downtown. A free, elevated people mover, Metromover, operates 21 stations on three different lines in greater Downtown Miami, with a station at roughly every two blocks of Downtown and Brickell. Several expansion projects are being funded by a transit development sales tax surcharge throughout Miami-Dade County.
ground_truth: 1878
sub_queries: where does that's so raven take place Answer: San Francisco
when did cable cars start in San Francisco Answer: 1878