Question: In which county is Waterford, in the Great River Road's state?

full_context: Document 1: Mississippi River: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. The stream is entirely within the United States (although its drainage basin reaches into Canada), its source is Lake Itasca in northern Minnesota and it flows generally south for 2,320 miles (3,730 km) to the Mississippi River Delta in the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and two Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.
Document 2: Theodore J. Hoover Natural Preserve: Theodore J. Hoover Natural Preserve, which includes Waddell Marsh, is located at the mouth of Waddell Creek, a coastal freshwater marsh that is one of the rarest habitats on the Central Coast of California. This marsh is one of the few relatively undisturbed bodies of fresh water left along the West coast. The land is 23 acres of wetland habitat. It is part of the Rancho del Oso Big Basin Redwoods State Park, located approximately 65 miles south of San Francisco. The elevation in the park ranges from sea level to over 2,000 feet. The area was named after William W. Waddell, who established the last of his four sawmills there in 1868. The sawmill ran down after his death in 1875. All the boilers were left in the area; they are now completely surrounded by second-growth redwoods. Other trees found in the park are conifers, and oaks. Within the park there are different vegetation types to be seen, such as chaparral, redwood forests, and riparian habitats.
Document 3: Mississippi River: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. Flowing entirely in the United States (although its drainage basin reaches into Canada), it rises in northern Minnesota and meanders slowly southwards for 2,320 miles (3,730 km) to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and 2 Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.
Document 4: Florewood State Park: Florewood State Park, also known as Florewood River Plantation State Park, is a closed public recreation area in the U.S. state of Mississippi. The state park is located off U.S. Highway 82 on the western edge of Greenwood.
Document 5: Waterford, Virginia: Waterford is an unincorporated village in the Catoctin Valley of Loudoun County, Virginia, located along Catoctin Creek. Waterford is northwest of Washington, D.C., and northwest of Leesburg. The entire village and surrounding countryside is a National Historic Landmark District, noted for its well-preserved 18th and 19th-century character.
Document 6: Hardy, Mississippi: Hardy is an unincorporated community located in Grenada County, Mississippi and part of the Grenada Micropolitan Statistical Area . Hardy is approximately north of Grenada near Interstate 55.
Document 7: Midway, Tallahatchie County, Mississippi: Midway is a ghost town in Tallahatchie County, Mississippi, United States. Midway was located on the Cassidy Bayou east-northeast of Sumner.
Document 8: Geography of the United States: The five Great Lakes are located in the north-central portion of the country, four of them forming part of the border with Canada, only Lake Michigan situated entirely within United States. The southeast United States contain subtropical forests and, near the gulf coast, mangrove wetlands, especially in Florida. West of the Appalachians lies the Mississippi River basin and two large eastern tributaries, the Ohio River and the Tennessee River. The Ohio and Tennessee Valleys and the Midwest consist largely of rolling hills and productive farmland, stretching south to the Gulf Coast.
Document 9: Coldwater, Mississippi: Coldwater is a small town in Tate County, Mississippi. It is in the Memphis Metropolitan Area. The population was 1,674 at the 2000 census.
Document 10: Oakland County International Airport: Oakland County International Airport is a county-owned public-use airport located in Waterford Township, Oakland County, Michigan, United States. The airport is located approximately 1 mile from the center of Waterford Township and Oakland County. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a non primary commercial service facility.
Document 11: Mississippi: Mississippi ( (listen)) is a state located in the southeastern region of the United States. Mississippi is the 32nd largest and 34th-most populous of the 50 United States. Mississippi is bordered to north by Tennessee, to the east by Alabama, to the south by the Gulf of Mexico, to the southwest by Louisiana, and to the northwest by Arkansas.  Mississippi's western boundary is largely defined by the Mississippi River.  Jackson is both the state's capital and largest city.  Greater Jackson, with an estimated population of 580,166 in 2018, is the most populous metropolitan area in Mississippi and the 95th-most populous in the United States.
Document 12: Waterford, Mississippi: Waterford is an unincorporated community located in Marshall County, Mississippi, United States. It is a small town located between Holly Springs and Oxford on Highway 7. The city once had several small stores, shops and a cotton mill. Currently there is only one store. The city is also the home of Wall Doxey State Park and is also a part of the Mississippi National Forest.
Document 13: Missouri: Missouri is landlocked and borders eight different states as does its neighbor, Tennessee. No state in the U.S. touches more than eight. Missouri is bounded by Iowa on the north; by Illinois, Kentucky, and Tennessee across the Mississippi River on the east; on the south by Arkansas; and by Oklahoma, Kansas, and Nebraska (the last across the Missouri River) on the west. Whereas the northern and southern boundaries are straight lines, the Missouri Bootheel protrudes southerly into Arkansas. The two largest rivers are the Mississippi (which defines the eastern boundary of the state) and the Missouri River (which flows from west to east through the state) essentially connecting the two largest metros of Kansas City and St. Louis.
Document 14: Great River Road: The Great River Road is a collection of state and local roads that follow the course of the Mississippi River through ten states of the United States. They are Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi and Louisiana. It formerly extended north into Canada, serving the provinces of Ontario and Manitoba.
Document 15: Upper Mississippi River Valley AVA: The Upper Mississippi River Valley AVA is an American Viticultural Area covering 29,914 square miles (77,477 square kilometers, or 19,144,960 acres) located along the Upper Mississippi River and its tributaries in northwest Illinois, northeast Iowa, southeast Minnesota and southwest Wisconsin. Certified by the United States Department of the Treasury's Alcohol and Tobacco Tax and Trade Bureau on July 22, 2009, it is the largest AVA in the United States. The AVA encompasses an area 50 times larger than the Bordeaux wine regions of France.
ground_truth: Marshall County
sub_queries: Which state is Great River Road located? Answer: Mississippi
Waterford, Mississippi >> located in the administrative territorial entity Answer: Marshall County