Question: WRBJ-FM is licensed to a city in what Mississippi county?

full_context: Document 1: Madison, Mississippi: Madison is a city in Madison County, Mississippi, United States. The population was 24,841 at the 2010 census. The population is currently over 25,000. It is part of the Jackson Metropolitan Statistical Area.
Document 2: Bay St. Louis, Mississippi: Bay Saint Louis is a city in and the county seat of Hancock County, Mississippi, in the United States. It is part of the Gulfport–Biloxi Metropolitan Statistical Area. As of the 2010 census, the city had a total population of 9,260. The city is recovering population lost in 2005 due to Hurricane Katrina, and the Census Bureau's 2016 population estimate was 12,667.
Document 3: Charlie Ross (state senator): Charlie Ross is an American politician and attorney who lives in Brandon, Mississippi. He served as Senator from District 20 in the Mississippi Senate until 2007. District 20 comprises parts of Madison and Rankin Counties. Ross was first elected to the Senate in 1997 after serving as the representative from District 59 in the Mississippi House of Representatives. Prior to his legislative service, he served as the Chairman of the Rankin County Republican Executive Committee. In 2008, Ross ran for Congress in Mississippi's 3rd congressional district, but was defeated in the primary by Rankin County Republican Chairman Gregg Harper.
Document 4: Roberts Broadcasting: Roberts Broadcasting Company is a media company based in St. Louis, Missouri. It is a subsidiary of the parent company, the Roberts Companies, one of the largest African American-owned conglomerates. It is co-owned by brothers Steven and Michael Roberts.
Document 5: WRBJ-FM: WRBJ-FM (97.7 FM) is an urban contemporary radio station in Jackson, Mississippi, but licensed to Brandon, Mississippi. The station is owned and operated by Roberts Broadcasting, former owners of The CW television affiliate WRBJ. Its studios are located at The Roberts Building along State Street in Jackson, just two blocks north of the Mississippi State Capitol building, and the transmitter tower is south of Brandon.
Document 6: WBTJ: WBTJ is a Mainstream Urban formatted broadcast radio station licensed to Richmond, Virginia, serving the Richmond/Petersburg area. WBTJ is owned and operated by iHeartCommunications, Inc.
Document 7: WDRB: WDRB, virtual channel 41 (UHF digital channel 49), is a Fox-affiliated television station licensed to Louisville, Kentucky, United States. The station is owned by Block Communications, as part of a duopoly with Salem, Indiana-licensed MyNetworkTV affiliate WMYO (channel 58); Block also operates Campbellsville-licensed CW affiliate WBKI-TV (channel 34) under a local marketing agreement with owner LM Communications, LLC. The three stations share studios located on West Muhammad Ali Boulevard (near Route 150) in downtown Louisville; WDRB and WMYO share transmitting facilities in rural northeastern Floyd County, Indiana (northeast of Floyds Knobs). On cable, WDRB is available on Charter Spectrum channel 9 and in high definition on digital channel 910.
Document 8: DeSoto County, Mississippi: DeSoto County is a county located in the U.S. state of Mississippi. As of the 2010 census, the population was 161,252, making it the third-most populous county in Mississippi. Its county seat is Hernando. DeSoto County is part of the Memphis, TN-MS-AR Metropolitan Statistical Area (MSA). It is the second-most populous county in the MSA. The county has lowland areas that were developed in the 19th century for cotton plantations, and hill country in the eastern part of the county.
Document 9: WHBX: WHBX, or 96.1 Jamz, is an urban adult contemporary radio station in the Tallahassee, Florida market owned by Cumulus Licensing, LLC. According to AllAccess.com, WHBX is the highest rated station in the Tallahassee, FL market, joining sister stations Blazin 102.3 and Star 98 as the market's highest rated stations. Its studios are located in the westside of Tallahassee and its transmitter is based near Wakulla State Forest, south of the city.
Document 10: WBTP: WBTP is an urban contemporary radio station that serves the Tampa Bay area that plays hip-hop, R&B, and soul music that aims towards the African American community. It is owned and operated by iHeartMedia. Its target audience is African Americans between the ages of 18-34, but its main competitor is WLLD, which has a very similar target audience as well. It was the home of former Russ Parr Morning Show co-host, Olivia Fox, who was host of the station's morning drive show from 2004 to mid-2006. Licensed to Clearwater, the station's studios are located in South Tampa and the transmitter site is in Gandy.
Document 11: WRBU: WRBU, virtual channel 46 (UHF digital channel 47), is a Ion Television-affiliated television station serving St. Louis, Missouri, United States that is licensed to East St. Louis, Illinois. The station is owned through a broadcast trust assigned to Gary Chapman as trustee and Ion Media Networks as its beneficiary. WRBU maintains studio facilities in the Victor Roberts Building, located on North Kingshighway Boulevard on the northwest side of St. Louis, and its transmitter is located near Missouri Route 21 and East Four Ridge Road in House Springs. On cable, the station is available on Charter Spectrum channel 7 and AT&T U-verse channel 46.
Document 12: WAPT: WAPT is an ABC-affiliated television station licensed to Jackson, Mississippi, United States. Owned by the Hearst Television subsidiary of the Hearst Corporation, it broadcasts a high definition digital signal on UHF channel 21 (or virtual channel 16 via PSIP) from a transmitter at its studios on Channel 16 Way in southwest Jackson. On cable, the station can be seen on Comcast Xfinity channel 4, Cable One channel 16 and Vicksburg Video channel 9. There is a high definition feed provided on Xfinity digital channel 431, Cable One digital channel 1016 and Vicksburg Video digital channel 225.
Document 13: Olive Branch, Mississippi: Olive Branch is a city in DeSoto County, Mississippi, United States. The population was 33,484 at the 2010 census, up from 21,054 in 2000. Olive Branch is a suburb of Memphis, Tennessee, and is part of the Memphis Metropolitan Statistical Area, a region that consists of three counties in southwest Tennessee, five counties in northwest Mississippi, and two counties in eastern Arkansas. From 1990 to 2010 Olive Branch was the fastest growing city in the United States, with a growth rate of 838%. Along with other rapidly growing suburbs in DeSoto County, Olive Branch attributes most of its growth and development to the exodus of large numbers of middle-class families from central Memphis.
Document 14: Brainerd, Minnesota: Brainerd is a city in Crow Wing County, Minnesota, United States. Its population was 13,592 as of the 2010 census. It is the county seat of Crow Wing County, and is one of the largest cities in Central Minnesota. Brainerd straddles the Mississippi River several miles upstream from its confluence with the Crow Wing River, having been founded as a site for a railroad crossing above said confluence. Brainerd is the principal city of the Brainerd Micropolitan Area, a micropolitan area covering Cass and Crow Wing counties and with a combined population of 91,067 as of the 2010 census. The Brainerd area serves as a major tourist destination for Minnesota, and Baxter is a regional retail center.
Document 15: Brandon, Mississippi: Brandon is a city in Rankin County, Mississippi. The population was 21,705 at the 2010 census. It is the county seat of Rankin County. Brandon is part of the Jackson Metropolitan Statistical Area and located east of the state capital.
ground_truth: Rankin County