Question: What county shares a border with the county where WUFL broadcasts in?

full_context: Document 1: Ann Arbor, Michigan: Public schools are part of the Ann Arbor Public Schools (AAPS) district. AAPS has one of the country's leading music programs. In September 2008, 16,539 students had been enrolled in the Ann Arbor Public Schools. There were 21 elementary schools, five middle schools (Forsythe, Slauson, Tappan, Scarlett, and Clague) three traditional high schools (Pioneer, Huron, and Skyline), and three alternative high schools (Community High, Stone School, and Roberto Clemente) in the district. The district also operates a K-8 open school program, Ann Arbor Open School, out of the former Mack School. This program is open to all families who live within the district. Ann Arbor Public Schools also operates a preschool and family center, with programs for at-risk infants and children before kindergarten. The district has a preschool center with both free and tuition-based programs for preschoolers in the district.
Document 2: Detroit: Detroit (/dᵻˈtrɔɪt/) is the most populous city in the U.S. state of Michigan, the fourth-largest city in the Midwest and the largest city on the United States–Canada border. It is the seat of Wayne County, the most populous county in the state. Detroit's metropolitan area, known as Metro Detroit, is home to 5.3 million people, making it the fourteenth-most populous metropolitan area in the United States and the second-largest in the Midwestern United States (behind Chicago). It is a major port on the Detroit River, a strait that connects the Great Lakes system to the Saint Lawrence Seaway. The City of Detroit anchors the second-largest economic region in the Midwest, behind Chicago, and the thirteenth-largest in the United States.
Document 3: WLUJ: WLUJ is a Christian radio station licensed to Springfield, Illinois, broadcasting on 89.7 MHz FM. The station is owned by Cornerstone Community Radio.
Document 4: WRDT: WRDT, known on the air as "The Word AM 560, Detroit's Christian Talk", is a radio station licensed to Monroe, Michigan, serving the Detroit metropolitan area. The station broadcasts in HD Radio with 500 Watts daytime power from a transmitter located in South Monroe, Michigan, and 14 Watts nighttime power (Non-HD) from a transmitter located in Royal Oak Township, Michigan. The Royal Oak Township location shares the Greater Media tower with WCSX, WRIF & WMGC. Its low frequency and strongly directional daytime signal give the station good coverage of the Detroit market, despite the lower power.
Document 5: Sterling Heights, Michigan: Sterling Heights is a city in Macomb County of the U.S. state of Michigan, and one of Detroit's core suburbs. As of the 2010 census, the city had a total population of 129,699. It is the second largest suburb in Metro Detroit, and the fourth largest city in Michigan. Sterling Heights consistently ranks as the safest city in Michigan with population of over 100,000.
Document 6: WUFL: WUFL is a non-commercial Christian AM radio station in Sterling Heights, Michigan, operating on 1030 kHz. The station broadcasts with 5,000 watts, daytime only, with coverage of the Detroit, Michigan metropolitan area. WUFL is a Class D station operating on the clear-channel frequency of 1030 AM; WBZ in Boston, Massachusetts is the dominant Class A station on this frequency.
Document 7: Detroit: Detroit is the center of a three-county urban area (population 3,734,090, area of 1,337 square miles (3,460 km2), a 2010 United States Census) six-county metropolitan statistical area (2010 Census population of 4,296,250, area of 3,913 square miles [10,130 km2]), and a nine-county Combined Statistical Area (2010 Census population of 5,218,852, area of 5,814 square miles [15,060 km2]). The Detroit–Windsor area, a commercial link straddling the Canada–U.S. border, has a total population of about 5,700,000. The Detroit metropolitan region holds roughly one-half of Michigan's population.
Document 8: Detroit: Thousands more employees work in Midtown, north of the central business district. Midtown's anchors are the city's largest single employer Detroit Medical Center, Wayne State University, and the Henry Ford Health System in New Center. Midtown is also home to watchmaker Shinola and an array of small and/or startup companies. New Center bases TechTown, a research and business incubator hub that’s part of the WSU system. Like downtown and Corktown, Midtown also has a fast-growing retailing and restaurant scene.
Document 9: Roeper School (Michigan): The Roeper School is a private coeducational day school, with campuses in Birmingham and Bloomfield Hills, Michigan in Greater Detroit, serving students at all levels from preschool through the 12th grade. It was formerly known as Roeper City and Country School.
Document 10: Rochester City School District: The Rochester City School District is a public school district that serves approximately 32,000 children and 10,000 adults in the city of Rochester, New York, with over 6,000 employees and a 2010 -- 2011 operating budget of $693.7 million (approximately $16,500 per student). The average class size ranges from 18 to 25 students. Rochester City Schools consistently post below - average results when compared to the rest of New York State.
Document 11: WCFL (FM): WCFL 104.7 FM is a Christian radio station licensed to Morris, Illinois and owned by the Illinois Bible Institute, the educational branch of the Illinois District Council of the Assemblies of God. WCFL airs a Contemporary Christian music format, relaying the programming of 91.7 WBGL in Champaign, Illinois.
Document 12: Rochester Community Schools (Michigan): Rochester Community Schools District serves Rochester, the majority of both Oakland Township, and Rochester Hills, as well as parts of Orion Township and Auburn Hills in northeast Oakland County and parts of Shelby Township and Washington Township in northwest Macomb County, in the U.S. state of Michigan. It currently has upwards of 14,500 students in 21 buildings, all located in Rochester Hills and Oakland Township, Michigan. The Administration Center is located in the city of Rochester.
Document 13: Ann Arbor, Michigan: Four major AM radio stations based in or near Ann Arbor are WAAM 1600, a conservative news and talk station; WLBY 1290, a business news and talk station; WDEO 990, Catholic radio; and WTKA 1050, which is primarily a sports station. The city's FM stations include NPR affiliate WUOM 91.7; country station WWWW 102.9; and adult-alternative station WQKL 107.1. Freeform station WCBN-FM 88.3 is a local community radio/college radio station operated by the students of the University of Michigan featuring noncommercial, eclectic music and public-affairs programming. The city is also served by public and commercial radio broadcasters in Ypsilanti, the Lansing/Jackson area, Detroit, Windsor, and Toledo.
Document 14: Dearborn Heights, Michigan: Dearborn Heights is a city in Wayne County, in the Detroit metropolitan area, in the State of Michigan. The population was 57,774 at the 2010 census.
Document 15: Highland Park, Michigan: Highland Park is a city in Wayne County in the State of Michigan, within Metro Detroit. The population was 11,776 at the 2010 census. The city is completely surrounded by Detroit except for a small portion that touches the city of Hamtramck, which is also surrounded by Detroit.
ground_truth: Oakland County
sub_queries: WUFL >> licensed to broadcast to Answer: Sterling Heights
Sterling Heights >> located in the administrative territorial entity Answer: Macomb County
Macomb County >> shares border with Answer: Oakland County