Question: What county is Robinson located in the state where Ola Babcock Miller Building is located?

full_context: Document 1: Humphrey Center: The Humphrey Center, also known as Old Main, is an historic building located on the campus of Grand View University in Des Moines, Iowa, United States. It was listed on the National Register of Historic Places in 1978.
Document 2: Ola Babcock Miller Building: The Ola Babcock Miller Building, also known as the State Library of Iowa, is an historic building located in Des Moines, Iowa, United States. It was listed on the National Register of Historic Places in 1978 as the Iowa State Historical Building.
Document 3: Robinson, Kansas: Robinson is a city in Brown County, Kansas, United States. As of the 2010 census, the city population was 234.
Document 4: Robinson, Iowa: Robinson is an unincorporated community in Delaware County, Iowa, United States. It is located at the junction of County Highway D47 and 310th Street, five miles west of Ryan and three miles southeast of Monti, at 42.340037N, -91.578738W.
Document 5: Roby and Northern Railroad: The Roby and Northern Railroad was constructed in 1915 to connect the agricultural community of Roby, Texas with a connection to the Missouri, Kansas and Texas Railway at North Roby, then known as Old Fisher, both located in Fisher County, Texas, a few miles north of Sweetwater. There was a need to move agricultural products, passengers, and livestock the four and one-half miles north to the Waco-Rotan branch of the MKT.
Document 6: Iowa Building: The Iowa Building is an historic structure located in downtown Cedar Rapids, Iowa, United States. It was individually listed on the National Register of Historic Places in 1983. In 2015 it was included as a contributing property in the Cedar Rapids Central Business District Commercial Historic District.
Document 7: Security Building (Cedar Rapids, Iowa): The Security Building is an historic structure located in downtown Cedar Rapids, Iowa, United States. The building is eight stories tall and rises above the ground. It was designed by the Cedar Rapids architectural firm of Josselyn & Taylor, and it was completed in 1908. The building was individually listed on the National Register of Historic Places in 1977. In 2015 it was included as a contributing property in the Cedar Rapids Central Business District Commercial Historic District.
Document 8: Riverside, Delaware: Riverside is an unincorporated community in New Castle County, Delaware, United States. Riverside is located at the intersection of U.S. Route 13 Business and Harvey Road southwest of Claymont.
Document 9: EMC Insurance Building: The EMC Insurance Building is a high-rise office building located in downtown Des Moines, Iowa, United States. The building rises 19 floors and in height. It is currently tied with the HUB Tower as the 6th-tallest building in the city. Designed by Brooks Borg Skiles Architecture Engineering, the building was completed in 1997 for $54 million. The building was named one of the 50 Most Significant Iowa Buildings of the 20th Century by the American Institute of Architects Iowa chapter.
Document 10: Herring Motor Car Company Building: The Herring Motor Car Company Building, also known as 10th Street Lofts, is an historic building located in downtown Des Moines, Iowa, United States. The building is a six-story brick structure that rises above the ground. It was designed by the Des Moines architectural firm of Proudfoot, Bird & Rawson in the Classical Revival style. Clyde L. Herring had the building built in 1912 and it was completed the following year. It was originally a four-story building and two more floors were added 18 months after it was originally built. By 1915 the company was building 32 Ford automobiles a day, and had delivered “more automobiles than any other one automobile agency in the United States”. Along with the neighboring Standard Glass and Paint Company Building it is part of the same loft apartment complex. The National Biscuit Company Building on the other side of the building has also been converted into an apartment building. It was listed on the National Register of Historic Places in 2004.
Document 11: Delaware Route 48: Delaware Route 48 (DE 48) is a state highway in New Castle County, Delaware. The route runs from DE 41 in Hockessin east to U.S. Route 13 Business (US 13 Bus.) in downtown Wilmington. The route passes through suburban areas of Wilmington such as Lancaster Pike, intersecting DE 100 and DE 141. DE 48 continues into Wilmington as Lancaster Avenue and intersects DE 2, where it splits into the one-way pair of Lancaster Avenue eastbound and Second Street westbound. Upon reaching downtown Wilmington, the route intersects Interstate 95 (I-95)/US 202 and DE 4 before continuing to the eastern terminus.
Document 12: David J. Robinson: David J. Robinson is a former member of the Ohio House of Representatives. He was appointed to his position when the previous representative, E.J. Thomas, resigned; in turn, when Robinson lost the Republican primary election to Jim Hughes, he resigned so that Hughes could be appointed to his seat and run as an incumbent.
Document 13: Ottumwa City Hall: Ottumwa City Hall is the official seat of government for the city of Ottumwa, Iowa, United States. The building originally served as a post office and federal courthouse. It is part of the Central Park area, which includes: Ottumwa Public Library, Wapello County Courthouse and St. Mary of the Visitation Catholic Church. The building was listed on the National Register of Historic Places in 1976.
Document 14: Davenport Public Library: The Davenport Public Library is a public library located in Davenport, Iowa. With a history dating back to 1839, the Davenport Public Library's Main Library is currently housed in a 1960s building designed by Kennedy Center architect Edward Durell Stone. The Davenport Public Library system is made up of three libraries—the Main Library at 321 Main Street; the Fairmount Branch Library at 3000 N. Fairmount Street; and the Eastern Avenue Branch Library at 6000 Eastern Avenue.
Document 15: John H. Robinson: John H. Robinson (born July 25, 1955) is an American politician and businessman, he was the 40th Mayor of Wausau, Wisconsin, and represented Wausau for four terms in the Wisconsin State Assembly.
ground_truth: Delaware County
sub_queries: What state is Ola Babcock Miller Building located? Answer: Iowa
Robinson, Iowa >> located in the administrative territorial entity Answer: Delaware County