Question: What county has the city where George Roby Dempster was born as its capital?

full_context: Document 1: A. James Clark: Alfred James Clark (December 2, 1927 – March 20, 2015) was an American engineer, businessman and philanthropist. He was chairman and CEO of Clark Enterprises, Inc., headquartered in Bethesda, Maryland. The company's largest subsidiary is Clark Construction Group, LLC, one of the United States' largest construction companies, founded in 1906 as the George Hyman Construction Company.
Document 2: Burning Man: To comply with the new requirements and to manage the increased liability load, the organizers formed Black Rock City, LLC. Will Roger Peterson and Flynn Mauthe created the Department of Public Works (DPW) to build the ``city ''grid layout (a requirement so that emergency vehicles could be directed to an`` address'') designed by Rod Garrett, an architect. Rod continued as the city designer until his death, in 2011, at the age of 76. He is also credited with the design of all of the man bases from 2001 through 2012, the center camp cafe and first camp. With the success of the driving ban, having no vehicular incidents, 1998 saw a return to the Black Rock desert, along with a temporary perimeter fence. The event has remained there since.
Document 3: Plastic shopping bag: The Dixie Bag Company of College Park, Georgia, owned and operated by Jack W. McBride, was one of the first companies to exploit this new opportunity to bring convenient products to all major shopping stores. The Dixie Bag Company, along with similar firms such as Houston Poly Bag and Capitol Poly, was instrumental in the manufacturing, marketing and perfecting of plastic bags in the 1980s. Kroger, a Cincinnati - based grocery chain, began to replace its paper shopping bags with plastic bags in 1982, and was soon followed by its rival, Safeway.
Document 4: Knoxville City-County Building: The Knoxville City-County Building is a building at 400 Main Street in Knoxville, Tennessee that houses the offices of the city government of Knoxville and the county government of Knox County, Tennessee. It also houses the Knox County Jail. The building stands ten stories, and contains of office space. At the time it was built it was said to be the largest office building in Tennessee.
Document 5: William R. Snodgrass Tennessee Tower: The William R. Snodgrass Tennessee Tower (also known as the Tennessee Tower) is a skyscraper in downtown Nashville, Tennessee, that houses Tennessee government offices. The tower was built for the National Life and Accident Insurance Company and served as its National Life Center until the State of Tennessee acquired it on January 3, 1994. More than 1,000 state employees who had been assigned to numerous locations now work in the building.
Document 6: Government of Canada Building, Moncton: The Government of Canada Building is one of the tallest buildings in Moncton, New Brunswick. The building is 34 meters tall and has 9 floors. The building was constructed in 1977 and is located at 777 Main Street in downtown Moncton. It is mainly used as offices for the Government of Canada as well as various lawyers. The entire top floor of the building is occupied by offices for Freedom 55 Financial and the Quadrus Group both divisions of the London Life Insurance Company.
Document 7: City Center Square: City Center Square is a skyscraper in downtown Kansas City, Missouri, built by Skidmore, Owings & Merrill, in the Spring of 1977. It occupies the entire block of 11th Street to 12th Street, and from Main Street to Baltimore Street. It's tower is 30 stories tall, constructed with a reinforced concrete structure evident by the look of the exterior. It is the tenth-tallest habitable structure in the Kansas City Metropolitan Area, and the fifteenth-tallest habitable structure in Missouri at .
Document 8: George Roby Dempster: George Roby Dempster (September 16, 1887 – September 18, 1964) was an American businessman, inventor, and politician, active primarily in Knoxville, Tennessee, during the first half of the twentieth century. Dempster is best known for the invention of the Dempster-Dumpster, a now-commonly-used trash receptacle that can be mechanically emptied into garbage trucks. During the 1910s and 1920s, the Dempster Brothers Construction Company, operated by Dempster and his brothers, built a number of roads and railroads across the Southern Appalachian region. Dempster also served as a city manager and mayor of Knoxville, where he became legendary for his political battles with eccentric Knoxville businessman Cas Walker and "Knoxville Journal" editor Guy Smith, Jr.
Document 9: Cal Johnson (businessman): Caldonia (or Calvin) Fackler Johnson (October 14, 1844 – April 7, 1925) was an American businessman and philanthropist, active primarily in Knoxville, Tennessee, in the late 19th and early 20th centuries. Born into slavery, he rose to become a prominent Knoxville racetrack and saloon owner, and by the time of his death, was one of the wealthiest African-American businessmen in the state. He also owned several thoroughbred racehorses, one of which captured a world speed record in 1893.
Document 10: Charles McClung McGhee: Charles McClung McGhee (January 23, 1828 – May 5, 1907) was an American industrialist and financier, active primarily in Knoxville, Tennessee, in the latter half of the nineteenth century. As director of the East Tennessee, Virginia and Georgia Railway (ETV&G), McGhee was responsible for much of the railroad construction that took place in the East Tennessee area in the 1870s and 1880s. His position with the railroad also gave him access to northern capital markets, which he used to help finance dozens of companies in and around Knoxville. In 1885, he established the Lawson McGhee Library, which was the basis of Knox County's public library system.
Document 11: Peter Kern (American businessman): Peter Kern (October 31, 1835 – October 28, 1907) was a German-born American businessman and politician active in Knoxville, Tennessee, USA, in the late 19th and early 20th centuries. He is best known as the founder of the confections company that eventually evolved into Kern's Bakery, a brand still marketed in the Knoxville area. The company's former confectionery and ice cream parlor, now called the Mall Building (or Oliver Hotel), still dominates the southwest corner of Market Square. Kern served as Knoxville's mayor from 1890 until 1892.
Document 12: George Cartier: George Robinson Cartier (May 26, 1869 in Ludington, Michigan – October 21, 1944 in Tacoma, Washington) was an American football player and lumber baron in the Pacific northwest.
Document 13: Tennessee: Local law enforcement is divided between County Sheriff's Offices and Municipal Police Departments. Tennessee's Constitution requires that each County have an elected Sheriff. In 94 of the 95 counties the Sheriff is the chief law enforcement officer in the county and has jurisdiction over the county as a whole. Each Sheriff's Office is responsible for warrant service, court security, jail operations and primary law enforcement in the unincorporated areas of a county as well as providing support to the municipal police departments. Incorporated municipalities are required to maintain a police department to provide police services within their corporate limits.
Document 14: Clark County Government Center: The Clark County Government Center serves as the government center building for Clark County, Nevada. It is located in Downtown Las Vegas. The complex designed by Fentress Bradburn and opened in 1995 consists of a six-story county administration building, three one-story buildings for the county commissioners’ chambers, a multipurpose community facility and a central plant. It includes space for government administration, a law enforcement complex, a performing arts complex, a child-care facility and structured parking. It also contains a single-story auditorium, a pyramid-shaped cafeteria and a cylindrical, six-story reception hall, as well as office buildings.
Document 15: Minneapolis City Hall: Minneapolis City Hall and Hennepin County Courthouse (also known as the Municipal Building), designed by Long and Kees in 1888, is the main building used by the city government of Minneapolis, Minnesota as well as by Hennepin County, Minnesota. The structure has served as mainly local government offices since it was built, and today the building is 60 percent occupied by the city and 40 percent occupied by the County. The building is jointly owned by the city and county and managed by the Municipal Building Commission. The Commission consists of the chair of the County Board, the mayor of the City of Minneapolis, a member of the County Board and a member of the Minneapolis City Council. The County Board chair serves as the president of the Commission and the mayor serves as the vice president. The building bears a striking resemblance to the city hall buildings in Cincinnati and Toronto. The City Hall and Courthouse was added to the National Register of Historic Places in 1974.
ground_truth: Knox County
sub_queries: George Roby Dempster >> place of birth Answer: Knoxville
Knoxville >> capital of Answer: Knox County