Question: What is the city KYBB serves the capital of?

full_context: Document 1: East Sioux Falls, South Dakota: East Sioux Falls was a city located in southeastern Minnehaha County, South Dakota located about 6 miles east of Sioux Falls along South Dakota Highway 42 on the Big Sioux River.
Document 2: Buffalo County, South Dakota: In 2010, the center of population of South Dakota was located in eastern Buffalo County. The Crow Creek Indian Reservation, inhabited by the Crow Creek Sioux Tribe makes up the majority of Buffalo County.
Document 3: Corson County, South Dakota: The county is encompassed within the Standing Rock Indian Reservation, which extends into North Dakota. The Lakota people reside primarily in the South Dakota part of the reservation; the Yanktonai and Dakota live in that part in North Dakota. The Grand River, a tributary of the Missouri River, runs through the reservation.
Document 4: KSTY: KSTY (104.5 FM) is a country music formatted radio station licensed to Canon City, Colorado. The station is owned by Royal Gorge Broadcasting, LLC.
Document 5: KKDA-FM: KKDA-FM, known as K104, has been a leading radio station in the Dallas–Fort Worth metroplex for 46 years. It is a longtime heritage Urban Contemporary formatted station that broadcasts on 104.5 MHz. It is owned by Service Broadcasting Corporation alongside KRNB and its former AM counterpart KKDA AM. Its studios are located in Arlington, Texas, and the transmitter site is in Cedar Hill.
Document 6: Watertown, South Dakota: Watertown is a city in and the county seat of Codington County, South Dakota, United States. Watertown is home to the Redlin Art Center which houses many of the original art works produced by Terry Redlin, one of America's most popular wildlife artists. Watertown is located between Pelican Lake and Lake Kampeska, which Redlin derived inspiration for his artwork.
Document 7: KJJQ: KJJQ's transmitter is located in the town of Volga, South Dakota, but the studios are in the nearby city of Brookings. Known as The Ranch AM 910, the station has a broad range transmitting across eastern South Dakota and western Minnesota, reaching the cities of Yankton, South Dakota, Webster, South Dakota, Chamberlain, South Dakota, Marshall, Minnesota, Olivia, Minnesota, and the communities between these points. The station was formerly in a historic train depot and went by the name "Depot Radio". In 2005, the depot was sold and KJJQ relocated to the building now housing the other four commercial radio stations in Brookings.
Document 8: Rapid City, South Dakota: Rapid City (Lakota: Mni Lúzahaŋ Otȟúŋwahe; ``Swift Water City '') is the second most populous city in South Dakota and the county seat of Pennington County. Named after Rapid Creek, on which the city is established, it is set against the eastern slope of the Black Hills mountain range. The population was 67,956 as of the 2010 Census.
Document 9: KKBB: KKBB (99.3 FM, "Groove 99-3") is a commercial radio station located in Bakersfield, California. The station is owned by Alpha Media, LLC, through licensee Alpha Media Licensee LLC. KKBB airs a rhythmic oldies music format. The station was assigned the KKBB call letters by the Federal Communications Commission on December 9, 1994. KKBB's studios and transmitter are separately located in Oildale.
Document 10: KBIK: KBIK (102.9 FM) is a radio station licensed in Independence, Kansas. It broadcasts country music. The station is owned by My Town Media, Inc.
Document 11: KYQQ: KYQQ is a radio station operating in Wichita, Kansas, in the United States, and licensed to Arkansas City, Kansas. Calling itself "Radio Lobo 106.5," the station airs a Regional Mexican format and is owned by SummitMedia. Its studios are co-located with radio stations KFDI-FM, KICT-FM, KFXJ-FM and KFTI in Wichita. The transmitter is located north of Winfield, Kansas.
Document 12: KYBB: KYBB "B102.7" is a radio station in Sioux Falls, South Dakota (licensed by the Federal Communications Commission (FCC) to Canton, South Dakota) airing a classic rock format. The station is owned by Townsquare Media.
Document 13: Corson, South Dakota: Corson is an unincorporated community in Brandon Township, Minnehaha County, South Dakota, United States with a population of 70. It lies immediately north of Interstate 90 and Brandon on South Dakota Highway 11. Once mainly a railroad and farming community, it is becoming an industrial area supporting the county. Sioux Falls is located twelve miles west-southwest of the community.
Document 14: KZOY: KZOY is a daytime-only AM station licensed for 500 watts on 1520 kHz at Sioux Falls, South Dakota. Daytime-only operation protects clear-channel stations KOKC at Oklahoma City and WWKB at Buffalo, New York. It also broadcasts on FM translator K227CZ 93.3 in Sioux Falls.
Document 15: Canton, South Dakota: Canton is a city in and the county seat of Lincoln County, South Dakota, United States. Canton is located 20 minutes south of Sioux Falls in southeastern South Dakota. Canton is nestled in the rolling hills of the Sioux Valley, providing an abundance of recreational activities with the Big Sioux River bordering the eastern side, Newton Hills State Park to the south, and Lake Alvin to the north. The city was named by Norwegian settler and former legislator James M. Wahl. The population is estimated to be 3,430 as of 2017.
ground_truth: Lincoln County
sub_queries: What town or city does KYBB serve? Answer: Canton
Canton >> capital of Answer: Lincoln County