Question: Shady Grove, in the state Glick-Sower House is located, is located in what county?

full_context: Document 1: South Grove Township, DeKalb County, Illinois: South Grove Township is one of nineteen townships in DeKalb County, Illinois, USA. As of the 2010 census, its population was 512 and it contained 209 housing units. South Grove Township was renamed from Vernon Township on November 20, 1850.
Document 2: Gerhardt Octagonal Pig House: The Gerhardt Octagonal Pig House near Gladstone, North Dakota, United States, was built in 1930. It was listed on the National Register of Historic Places in 1986.
Document 3: Wickfield Round Barn: The Wickfield Round Barn is a historic building located near Cantril in rural Van Buren County, Iowa, United States. Originally called Silvers Sale Pavilion, it was built in 1919 by Alva Hunt for $20,000. The true round barn measures in diameter. Frank Silvers, a successful hog breeder and businessman, operated the largest Hampshire hog farm in the world. The first floor had seating for 700 people. Silvers' business offices were also located on the first floor. The structure is constructed of clay tile and features an aerator. The two-pitch roof features eight dormers on the lower part and four dormers on the upper part of the roof. It has been listed on the National Register of Historic Places since 1986. There are no round barns in Iowa used as sale barns any longer, and this one is used for storage.
Document 4: Bear Grove Township, Guthrie County, Iowa: Bear Grove Township is one of seventeen townships in Guthrie County, Iowa, United States. It is located WSW of Guthrie Center just west of Sutcliff Woodland. As of the 2010 census, its population was 160.
Document 5: Glick–Sower House: The Glick–Sower House, also known as the Susie Sower House, is located in Marshalltown, Iowa. The house was built in 1859 for Dr. George Glick and has been listed on the National Register of Historic Places since 1993. It is operated as a historic house museum by the Historical Society of Marshall County.
Document 6: Island Grove Township, Gage County, Nebraska: Island Grove Township is one of twenty-four townships in Gage County, Nebraska, United States. The population was 103 at the 2000 census. A 2006 estimate placed the township's population at 103.
Document 7: Shady Grove, Trousdale County, Tennessee: Shady Grove is an unincorporated community in Trousdale County, Tennessee, United States. Shady Grove is southeast of downtown Hartsville. As Hartsville and Trousdale County form a consolidated city-county government, Shady Grove is under the jurisdiction of Hartsville.
Document 8: Adolphus W. Brower House: The Adolphus W. Brower House, in Sycamore, Illinois, has been listed on the National Register of Historic Places since February 14, 1979. The home is located on Illinois Route 64 as it passes through the DeKalb County seat of Sycamore as DeKalb Avenue. The Italianate structure, constructed of stone and asphalt, was erected in 1876 by Sycamore merchant Adolphus W. Brower. It is also known as the George F. Beasley House.
Document 9: Shady Grove, Iowa: Shady Grove is a former townsite and unincorporated community in Buchanan County, Iowa, United States, between the cities of Brandon and Jesup. Settlement of Shady Grove began in 1857, but with the advent of rural migration, the population had dropped to 25 by the 1950s. New housing developments begun during the 1990s and 2000s, however, have caused the empty community to be reborn, causing controversy along the way.
Document 10: Liberty Grove, Delta County, Texas: Liberty Grove is a ghost town in Delta County, Texas, United States. The community was settled by 1854, the year its school opened. The farming community included the school and a cemetery as of 1936. In 1966, the community had approximately 25 residents. The community's cemetery was relocated in 1989, and the community was subsequently abandoned and flooded by Cooper Lake. A campsite in Cooper Lake State Park bears the community's name.
Document 11: Indian Shaker Church and Gulick Homestead: The Indian Shaker Church and Gulick Homestead are an ensemble of historic buildings in The Dalles, Oregon, United States. Built by Henry Gulick directly on the Columbia riverbank in the 1890s, it is the only remaining 19th century fishing homestead in Oregon. Gulick, an employee of the locally-important Seufert salmon canning concern, included a church building in the complex in "ca." 1896 for his wife, Harriet, a member of the Wasco people. The church was the smallest of five Indian Shaker Church congregations in the state.
Document 12: George H. Gallup House: The George H. Gallup House built in 1901 is an historic octagonal house located at 703 South Chestnut Street in Jefferson, Iowa, United States. It was the birthplace and boyhood home of Dr. George Horace Gallup, the pioneer of public opinion polling. On July 18, 1985, it was listed on the National Register of Historic Places.
Document 13: Shady Grove, McIntosh County, Oklahoma: Shady Grove is a census-designated place (CDP) in McIntosh County, Oklahoma, United States. The population was 199 at the 2010 census, a decrease of 14.4 percent from 229 in 2000.
Document 14: Isaac Glaspell House: The Isaac Glaspell House is a historic building located on the east side of Davenport, Iowa, United States. Isaac Glaspell was a local grocer in the 1870s and 1880s and had this Greek Revival house built during that time. It is a two-story structure that features a front gable, three bay façade, with a single bay side wing. The exterior is composed of brick with stone and wood trims. The house is a vernacular form of the Greek Revival style found in Davenport. The notable details on this house are the bracketed eaves and the flat arch window heads that are topped by keystone brick hoods. The house had at least one wrap-around porch porch that was believed to have been added around the turn of the 20th-century. It may have replaced an earlier porch, but it is no longer extant. The house sits on a raised lot. It has been listed on the National Register of Historic Places since 1983.
Document 15: Balltown, Iowa: Balltown is a city in Dubuque County, Iowa, United States. It is part of the Dubuque, Iowa Metropolitan Statistical Area. The population was 68 at the 2010 census, down from 73 at the 2000 census. Balltown is home to Breitbach's Country Dining, Iowa's oldest restaurant and bar, which was founded in 1852 and twice rebuilt by the community, following its destruction by fire in 2007 and 2008.
ground_truth: Buchanan County
sub_queries: Which state is Glick-Sower House located? Answer: Iowa
Shady Grove, Iowa >> located in the administrative territorial entity Answer: Buchanan County