Question: When did the first Walmart open in the state where Windsor Township located?

full_context: Document 1: History of Walmart: In 1991, the company expanded into Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, and New York. Walmart expanded worldwide this year, with the opening of their first store outside the United States in Mexico City. They also acquired Western Merchandisers, Inc. of Amarillo, Texas. 1991 also saw the launch of the Sam's American Choice brand of products.
Document 2: Penn Township, Morgan County, Ohio: Penn Township is one of the fourteen townships of Morgan County, Ohio, United States. The 2000 census found 777 people in the township.
Document 3: Deerfield Township, Morgan County, Ohio: Deerfield Township is one of the fourteen townships of Morgan County, Ohio, United States. The 2000 census found 802 people in the township.
Document 4: Windsor Township, Morgan County, Ohio: Windsor Township is one of the fourteen townships of Morgan County, Ohio, United States. The 2000 census found 1,951 people in the township, 1,411 of whom lived in the unincorporated portions of the township.
Document 5: History of Walmart: By 1988, Walmart was operating in 27 states, having expanded into Arizona, Michigan, Ohio, West Virginia, New Jersey, and Wyoming. By 1990, they expanded into California (which marked Walmart officially becoming a fully nationwide retailer), Nevada, North Dakota, Pennsylvania, South Dakota, and Utah. The Walmart Visitor's Center also opened this year on the site of Sam Walton's original store.
Document 6: 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 7: Morgan Township, Gallia County, Ohio: Morgan Township is one of the fifteen townships of Gallia County, Ohio, United States. As of the 2010 census the population was 1,404.
Document 8: Marion Township, Morgan County, Ohio: Marion Township is one of the fourteen townships of Morgan County, Ohio, United States. The 2000 census found 1,336 people in the township, 1,031 of whom lived in the unincorporated portions of the township.
Document 9: Morgan County, Indiana: Morgan County is between Indianapolis, in Marion County, and Bloomington in Monroe County. It is included in the Indianapolis-Carmel-Anderson, IN Metropolitan Statistical Area. Two major highways, Interstate 69 and Indiana State Road 67, carry large numbers of daily commuters between the two larger communities. The county has 14 townships which provide local services.
Document 10: Malta Township, Morgan County, Ohio: Malta Township is one of the fourteen townships of Morgan County, Ohio, United States. The 2000 census found 1,964 people in the township, 1,268 of whom lived in the unincorporated portions of the township.
Document 11: 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.
Document 12: Sam's Club: Sam's West, Inc. (doing business as Sam's Club) is an American chain of membership-only retail warehouse clubs owned and operated by Walmart Inc., founded in 1983 and named after Walmart founder Sam Walton. , Sam's Club ranks second in sales volume among warehouse clubs with $57.839 billion in sales (in fiscal year 2019) behind rival Costco Wholesale.
Document 13: Sam's Club: As of January 31, 2018, Sam's Club operates 597 membership warehouse clubs in 44 U.S. states. Alaska, Massachusetts, Oregon, Rhode Island, Vermont, and Washington are the only states where Sam's Club does not operate, as is the case for the District of Columbia. Walmart International also operates Sam's Clubs in Mexico, Brazil, and China. It has 162 locations in Mexico, 27 locations in Brazil, and 19 in China. Locations generally range in size from 94,000 -- 161,000 sq ft (8,700 -- 15,000 m), with an average club size of approximately 134,000 sq ft (12,400 m).
Document 14: Morgan Township, Butler County, Ohio: Morgan Township, one of thirteen townships in the county, is located in the southwestern corner of Butler County, Ohio, United States, on the state line with Indiana. It had a population of 5,515 at the 2010 census, up from 5,328 in 2000. There are no incorporated places in the township. Unincorporated places there include Alert, Okeana, Macedonia, and Shandon. It comprised one full survey township in the first range of the Congress Lands and has an area of .
Document 15: History of Walmart: In April 1983, the company opened its first Sam's Club store, a membership - based discount warehouse club, in Midwest City, Oklahoma. They also expanded into Indiana, Iowa, New Mexico, and North Carolina and implemented ``people greeters ''in all of their stores. The first stores opened in Virginia in 1984.
ground_truth: 1983
sub_queries: Windsor Township >> located in the administrative territorial entity Answer: Morgan County
Morgan County >> located in the administrative territorial entity Answer: Indiana
when did the first walmart open in Indiana Answer: 1983