paragraph_text: The Detroit International Riverfront includes a partially completed three-and-one-half mile riverfront promenade with a combination of parks, residential buildings, and commercial areas. It extends from Hart Plaza to the MacArthur Bridge accessing Belle Isle Park (the largest island park in a U.S. city). The riverfront includes Tri-Centennial State Park and Harbor, Michigan's first urban state park. The second phase is a two-mile (3 km) extension from Hart Plaza to the Ambassador Bridge for a total of five miles (8 km) of parkway from bridge to bridge. Civic planners envision that the pedestrian parks will stimulate residential redevelopment of riverfront properties condemned under eminent domain.

paragraph_text: Khabarovsky District () is an administrative and municipal district (raion), one of the seventeen in Khabarovsk Krai, Russia. It consists of two unconnected segments separated by the territory of Amursky District, which are located in the southwest of the krai. The area of the district is . Its administrative center is the city of Khabarovsk (which is not administratively a part of the district). Population:

paragraph_text: Basilica Hudson is an arts and performance venue in Hudson, New York, USA. It was established in 2010 out of a 19th-century factory located near the city's "South Bay" riverfront along the Hudson River.

paragraph_text: Canarsie–Rockaway Parkway is the southern terminal station of the BMT Canarsie Line of the New York City Subway, and is one of the few grade-level stations in the system. Located at the intersection of Rockaway Parkway and Glenwood Road in the Canarsie neighborhood of Brooklyn, it is served by the L train at all times.

paragraph_text: Parkway Place is an upscale shopping mall in Huntsville, Alabama that opened on October 16, 2002. Parkway Place is located at the site of the older Parkway City Mall, which was torn down to allow for the construction of the newer facility. The mall is located at the intersection of Memorial Parkway (U.S. 231) and Drake Avenue. With a total of and 70 in-line stores, Parkway Place is anchored by Dillard's and Belk. The mall is now the only indoor shopping mall in Huntsville after Madison Square Mall closed in early 2017.

paragraph_text: Aho is an unincorporated community located in Watauga County, North Carolina, United States. Possibly named after the Aho Branch that flows nearby, the community is located along the Blue Ridge Parkway at Bentley Knob, northeast of Blowing Rock.

paragraph_text: Seneca is an unincorporated community in Union County, New Mexico, United States. Seneca is located on New Mexico State Road 406 north-northeast of Clayton.

paragraph_text: Wampee is an unincorporated community in Horry County, South Carolina, United States, along South Carolina Highway 90. Wampee is located near North Myrtle Beach across from the Intracoastal Waterway. Robert Edge Parkway starts here.

paragraph_text: The ZEC Bras-Coupé-Desert is a "zone d'exploitation contrôlée" (controlled harvesting zone) (ZEC), located in the unorganized territory of Lac-Pythonga in La Vallée-de-la-Gatineau Regional County Municipality, in the administrative region of Outaouais, in Quebec, in Canada.

paragraph_text: Clayton is an unincorporated community in Placer County, California. Clayton is located on the Southern Pacific Railroad, northwest of Lincoln. It lies at an elevation of 141 feet (43 m).

paragraph_text: Biysky District () is an administrative and municipal district (raion), one of the fifty-nine in Altai Krai, Russia. It is located in the east of the krai and borders with Zonalny, Tselinny, Soltonsky, Krasnogorsky, Sovetsky, and Smolensky Districts, as well as with the territory of the City of Biysk. The area of the district is . Its administrative center is the city of Biysk (which is not administratively a part of the district). District's population:

paragraph_text: Riverfront Parkway is located along the Mississippi River in the cities of Davenport and Bettendorf in the U.S. state of Iowa. The parkway is a bike and walking trail that extends for 11 miles (17.7 km) starting at Credit Island on the west passing through Davenport for 7.6 miles (12.2 km) before entering Bettendorf. It continues for another 3.4 miles (5.47 km) at its terminus on the east side of Bettendorf. On Credit Island the bike path circles the park for 2.62 miles (4.22 km). On its way east from Credit Island it passes through Veterans Memorial Park, which is being developed, Centennial Park, LeClaire Park, River Heritage Park that is being developed on the east side of downtown Davenport, and Lindsay Park. In Bettendorf it passes through Leach Park. There are plans to connect the park to the Duck Creek Parkway and Sunderbruch Park in the future. There are public art installations along the parkway at Credit Island, Lindsay Park and Leach Park.

paragraph_text: Greenbrier is a community located in the independent city of Chesapeake, Virginia, United States. Greenbrier Parkway, a major road in Greenbrier, is the commercial hub of Chesapeake. Shopping centers line this major road, including Greenbrier Mall. Another major road, Volvo Parkway, cuts across Greenbrier Parkway. This road leads to the more residential section of Greenbrier as well as another shopping center in the opposite direction.

paragraph_text: Lake Welch Parkway, sometimes labeled Lake Welch Drive, is a scenic road located within Harriman State Park in southern New York in the United States. It extends for on a southwest–northeast alignment from an intersection with Seven Lakes Drive to a partial interchange with the Palisades Interstate Parkway. The highway is located entirely in Rockland County, although it runs close to the border with Orange County. It is inventoried by the New York State Department of Transportation as New York State Route 987A (NY 987A), an unsigned reference route; however, it is owned by the Palisades Interstate Park Commission. The portion of Lake Welch Parkway that lies south of Tiorati Brook Road is closed during the winter.

paragraph_text: Clayton is a city in Clayton County, Iowa, United States. The population was 43 at the 2010 census, down from 55 at the 2000 census. Clayton is located directly on the Mississippi River and is only accessible by a very steep road. Many people have summer homes in Clayton due to its proximity to the Mississippi River.

paragraph_text: Sardis Lake is a reservoir in Pushmataha County and Latimer County in Oklahoma, USA, named for the now-defunct town of Sardis, Oklahoma. The dam impounding the lake is located approximately north of Clayton.

paragraph_text: Draffenville is an unincorporated community in Marshall County, Kentucky, United States. It is next to Benton, and lies at the intersection of the Julian M. Carroll Purchase Parkway, U.S. Route 68, and U.S. Route 641. Several businesses, Marshall County High School, and Mike Miller County Park are located in the community.

paragraph_text: Parkway Pines is an unincorporated community located along the border of Howell Township in Monmouth County and Brick Township in Ocean County, in New Jersey, United States. The Howell area of this community is called Ramtown.

paragraph_text: Vilnius County () is the largest of the 10 counties of Lithuania, located in the east of the country around the city Vilnius. On 1 July 2010, the county administration was abolished, and since that date, Vilnius County remains as the territorial and statistical unit.

paragraph_text: Amistad is a small unincorporated community in Union County, New Mexico, U.S. It is located about 39 miles south of Clayton on New Mexico State Highway 402.

Question: What county contains the city of Clayton, in the state where Riverfront Parkway is located?
Answer: Clayton County