Question: In which country is the seat of the county where Washington Township is located?

full_context: Document 1: Roll, Indiana: Roll (pronounced "r-awl', rhymes with “fall”) is an unincorporated American community in Washington Township, Blackford County, Indiana. Nearly all of the community's businesses have been closed for years. Although the Blackford County Historical Society lists Roll as a ghost town, homes are still maintained in the area, and it is still listed as a populated place by the U.S. Geological Survey. The rural community is located on Indiana State Road 18, about one mile west of its intersection with Indiana State Road 3.
Document 2: Portland Mills Covered Bridge: The Portland Mills Covered Bridge is the second oldest covered bridge in Parke County, Indiana, being built the same year as the Crooks Covered Bridge. It is a single span Burr Arch Truss covered bridge that was built by Henry Wolf in 1856.
Document 3: Brookville, Indiana: Brookville is a town in Brookville Township, Franklin County, Indiana, United States. The population was 2,596 at the 2010 census. The town is the county seat of and the largest community entirely within Franklin County.
Document 4: Phillips Covered Bridge: The Phillips Covered Bridge is southeast of Montezuma, Indiana in Parke County, Indiana and crosses Rocky Run, also known as Big Pond Creek. Unlike the rest of the bridges of Parke County, it is a single span King Post bridge structure, having no arches, that was built by Joseph A. Britton in 1909.
Document 5: Sugar Creek Township, Parke County, Indiana: Sugar Creek Township is one of thirteen townships in Parke County, Indiana, United States. As of the 2010 census, its population was 322 and it contained 154 housing units. The township includes the north half of Turkey Run State Park.
Document 6: Wabash Township, Parke County, Indiana: Wabash Township is one of thirteen townships in Parke County, Indiana, United States. As of the 2010 census, its population was 818 and it contained 353 housing units.
Document 7: Penn Township, Parke County, Indiana: Penn Township is one of thirteen townships in Parke County, Indiana, United States. As of the 2010 census, its population was 810 and it contained 368 housing units.
Document 8: Rockville Correctional Facility: Rockville Correctional Facility is a state prison located in Adams Township, Parke County, one mile (1.6 km) northwest of Rockville, Indiana. A part of the Indiana Department of Corrections, it is the largest state prison for women in Indiana with approximately 1,200 women. Although it is classified as a medium-security prison, it has inmates of all security levels.
Document 9: Rockville, Indiana: Rockville is a town in Adams Township, Parke County, in the U.S. state of Indiana. The population was 2,607 at the 2010 census. The town is the county seat of Parke County. It is known as "The Covered Bridge Capital of the World".
Document 10: Spring Creek Correctional Center: Spring Creek Correctional Center is an Alaska Department of Corrections maximum security prison for men located in Seward, Alaska, United States. The prison is located approximately south of Anchorage. The prison is located on about of land surrounded by national parks. The prison capacity consists of over 500 inmates and 97 correctional officers. Built as a decentralized campus, the prison construction was completed in 1988 at a cost of $44,678,000. A large portion of the prisoner population consists of "hard core" felons who committed violent crimes, such as murder. The Alaska DOC says that these prisoners "will probably spend the rest of their life in prison." Spring Creek also houses prisoners who committed less serious crimes like assault and burglary and usually have sentences from three years to ten years.
Document 11: Jackson Township, Parke County, Indiana: Jackson Township is one of thirteen townships in Parke County, Indiana, United States. As of the 2010 census, its population was 737 and it contained 475 housing units.
Document 12: Center Township, Marion County, Indiana: Center Township is one of nine townships in Marion County, Indiana, in the United States. As of the 2010 census, its population was 142,787 and it contained 76,872 housing units. It is the most populated township in Marion County.
Document 13: Washington Township, Parke County, Indiana: Washington Township is one of thirteen townships in Parke County, Indiana, United States. As of the 2010 census, its population was 1,302 and it contained 457 housing units.
Document 14: Adams Township, Parke County, Indiana: Adams Township is one of thirteen townships in Parke County, Indiana, United States. As of the 2010 census, its population was 5,825 and it contained 2,062 housing units.
Document 15: Washington Township, Monroe County, Indiana: Washington Township is one of eleven townships in Monroe County, Indiana, United States. As of the 2010 census, its population was 2,029 and it contained 882 housing units. The township contains a portion of the Morgan-Monroe State Forest.
ground_truth: U.S.
sub_queries: Washington Township >> located in the administrative territorial entity Answer: Parke County
Parke County >> capital Answer: Rockville
Rockville >> country Answer: U.S.