Question: In which county of the state where the majority of sweet corn is grown is Shady Grove?

full_context: Document 1: Corn production in the United States: Iowa, the largest producer of corn in the US, grows three times as much corn as Mexico. Iowa harvested 3,548 acres (1,436 ha) of sweet corn in 2007. In 2011, the state had 92,300 corn farms on 30,700,000 acres (12,400,000 ha), the average size being 333 acres (135 ha), and the average dollar value per acre being US $6,708. In the same year, there were 13.7 million harvested acres of corn for grain, producing 2.36 billion bushels, which yielded 172.0 bu / acre, with US $14.5 billion of corn value of production. Almost 1.88 billion bushels of corn were grown in the state in 2012 on 13.7 million acres of land, while the 2013 projections are 2.45 billion bushels of corn on 13.97 million acres of land.
Document 2: 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 3: Rice production in the United States: Rice production is important to the economy of the United States. Of the country's row crop farms, rice farms are the most capital - intensive, and have the highest national land rental rate average. In the US, all rice acreage requires irrigation. In 2000 - 09 approximately 3.1 million acres in the US were under rice production, while an increase is expected in the next decade to approximately 3.3 million acres. US Rice represents rice producers in the six largest rice - producing states of Arkansas (The nations's number one rice producer.), California, Louisiana, Mississippi, Missouri, and Texas.
Document 4: Myanmar: The major agricultural product is rice, which covers about 60% of the country's total cultivated land area. Rice accounts for 97% of total food grain production by weight. Through collaboration with the International Rice Research Institute 52 modern rice varieties were released in the country between 1966 and 1997, helping increase national rice production to 14 million tons in 1987 and to 19 million tons in 1996. By 1988, modern varieties were planted on half of the country's ricelands, including 98 percent of the irrigated areas. In 2008 rice production was estimated at 50 million tons.
Document 5: Cotton production in the United States: Texas produces more cotton than any other state in the United States. With eight production regions around Texas, and only four geographic regions, it is the state's leading cash crop. Texas produces approximately 25% of the country's cotton crop on more than 6 million acres, the equivalent of over 9,000 square miles (23,000 km) of cotton fields. Texas Cotton Producers includes nine certified cotton grower organizations; it addresses national and statewide cotton grower issues, such as the national farm bill and environmental legislation.
Document 6: 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 7: Corn Belt: The Corn Belt is a region of the Midwestern United States that, since the 1850s, has dominated corn production in the United States. More generally, the concept of the ``Corn Belt ''connotes the area of the Midwest dominated by farming. Many towns in this area are connected to powerful farm organizations with lobbying power.
Document 8: Wheat production in the United States: The United States Department of Agriculture defines eight official classes of wheat: durum wheat, hard red spring wheat, hard red winter wheat, soft red winter wheat, hard white wheat, soft white wheat, unclassed wheat, and mixed wheat. Winter wheat accounts for 70 to 80 percent of total production in the U.S., with the largest amounts produced in Kansas (10.8 million tons) and North Dakota (9.8 million tons). The U.S. hard red spring wheat crop is exported to over 70 countries each year to the extent of 55%. Of the total wheat produced in the country, 50% is exported, valued at US $9 billion.
Document 9: 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 10: 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.
Document 11: 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 12: Cotton: Current estimates for world production are about 25 million tonnes or 110 million bales annually, accounting for 2.5% of the world's arable land. China is the world's largest producer of cotton, but most of this is used domestically. The United States has been the largest exporter for many years. In the United States, cotton is usually measured in bales, which measure approximately 0.48 cubic meters (17 cubic feet) and weigh 226.8 kilograms (500 pounds).
Document 13: 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 14: 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 15: Maize: Maize (/ meɪz / MAYZ; Zea mays subsp. mays, from Spanish: maíz after Taino: mahiz), also known as corn, is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. The leafy stalk of the plant produces pollen inflorescences and separate ovuliferous inflorescences called ears that yield kernels or seeds, which are fruits.
ground_truth: Buchanan County
sub_queries: where is the majority of sweet corn grown Answer: Iowa
Shady Grove, Iowa >> located in the administrative territorial entity Answer: Buchanan County