Question: when did the first Walmart open in the state where Garrett County Courthouse is located?

full_context: Document 1: Richmond, Virginia: Richmond is home to several notable instances of various styles of modernism. Minoru Yamasaki designed the Federal Reserve Building which dominates the downtown skyline. The architectural firm of Skidmore, Owings & Merrill has designed two buildings: the Library of Virginia and the General Assembly Offices at the Eighth and Main Building. Philip Johnson designed the WRVA Building. The Richard Neutra-designed Rice House, a residence on a private island on the James River, remains Richmond's only true International Style home. The W.G. Harris residence in Richmond was designed by famed early modern architect and member of the Harvard Five, Landis Gores. Other notable architects to have worked in the city include Rick Mather, I.M. Pei, and Gordon Bunshaft.
Document 2: 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 3: 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 4: History of Walmart: By 1977, Wal - Mart expanded into Illinois and made its first corporate acquisition, assuming ownership and operation of the Mohr - Value stores, which operated in Missouri and Illinois. This was followed by the acquisition of the Hutcheson Shoe Company in 1978. In the same year Walmart also branched out into several new markets, launching its pharmacy, auto service center, and jewelry divisions.
Document 5: Old Horry County Courthouse: Old Horry County Courthouse, now known as Conway City Hall, is a historic courthouse building located at Conway in Horry County, South Carolina. It was built between 1824 and 1825 and reputedly designed by Robert Mills (1781-1855). It is a two-story Classical Revival brick building. It features an extended pediment supported by Doric order columns that shelters a second story portico which does not extend the full width of the façade.
Document 6: Calcutta High Court: The neo-Gothic High Court building was constructed in 1872, ten years after the establishment of the court itself. The design, by then government architect Walter Granville, was loosely modelled on the 13th - century Cloth Hall at Ypres, Belgium. In 1977 another building named High Court Centenary Building or annexed building was inaugurated to reduce the pressure.
Document 7: Walmart: Walmart Inc. Walmart's current logo since 2008 Walmart's official headquarters in Bentonville, Arkansas Formerly called Wal - Mart, Inc. (1969 -- 70) Wal - Mart Stores, Inc. (1970 -- 2018) Type Public Traded as NYSE: WMT DJIA component S&P 100 component S&P 500 component ISIN US9311421039 Industry Retail Founded July 2, 1962; 55 years ago (1962 - 07 - 02) Rogers, Arkansas, U.S. Founder Sam Walton Headquarters Bentonville, Arkansas, United States Number of locations 11,718 stores worldwide (January 31, 2018) Area served Worldwide Key people Greg Penner (Chairman) Doug McMillon (President & CEO) Products Electronics Movies and music Home and furniture Home improvement Clothing Footwear Jewelry Toys Health and beauty Pet supplies Sporting goods and fitness Auto Photo finishing Craft supplies Party supplies Grocery Services Walmart - 2 - Walmart Walmart MoneyCard Pickup Today Walmart.com Walmart Pay Revenue US $500.34 billion (2018) Operating income US $20.437 billion (2018) Net income US $9.862 billion (2018) Total assets US $204.52 billion (2018) Total equity US $77.869 billion (2018) Owner Walton family (51%) Number of employees 2.3 million, Worldwide (2017) 1.4 million, U.S. (2017) Divisions Walmart U.S. Walmart International Sam's Club Global eCommerce Subsidiaries Walmart Canada Walmart Mexico Walmart Chile Walmart de México y Centroamérica @ WalmartLabs Walmart Neighborhood Market Asda Amigo Supermarkets Vudu Massmart Seiyu Group Bompreço Líder Jet.com Hayneedle Moosejaw ModCloth Flipkart Website Corporate website Commercial website Footnotes / references
Document 8: Merrick County Courthouse: The Merrick County Courthouse was built from 1911 to 1913 in Central City, Nebraska, United States. Designed in the Classical Revival style by architect William F. Gernandt, it was built at a cost of $100,000. In 1990, it was listed in the National Register of Historic Places, but was removed from the Register in 2014.
Document 9: History of Walmart: In 1981, Wal - Mart expanded into the southeastern US market, opening stores in Georgia and South Carolina, and acquiring 92 Kuhn's Big K stores. They expanded into Florida and Nebraska in 1982.
Document 10: Hudson County Courthouse: The courthouse was used as the primary seat of government for Hudson County from its opening on September 20, 1910 until the construction of the Hudson County Administration Building in 1966. The courthouse was vacant for many years and was scheduled for demolition. The building was added to the National Register of Historic Places on August 25, 1970. Restoration began in the mid-1970s, and the building was reopened in 1985. In 1984, the Hudson County Board of Chosen Freeholders renamed the building in honor of Supreme Court Justice William J. Brennan Jr. The restoration of the courthouse was acknowledged by a Victorian Society in America Preservation Award in 1988.
Document 11: 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.
Document 12: Garrett County Courthouse: The Garrett County Courthouse is a historic county courthouse located at Oakland, Garrett County, Maryland, United States. It is a three-story, 1907-1908 neo-classical Renaissance Revival masonry structure in the form of a Latin Cross with a central rotunda and dome. The Courthouse was designed by James Riely Gordon (1863–1937), a New York architect who specialized in designing government buildings.
Document 13: Richard C. Lee United States Courthouse: The Richard C. Lee United States Courthouse is a monumental courthouse of the United States District Court for the District of Connecticut, located on the east side of the New Haven Green. Built between 1913 and 1919, the structure was spared from a planned demolition in the 1960s, and instead renovated to continue its useful life. For many decades, it also served as a post office, although the post office moved to another location in 1979. It is an excellent example of Classical Revival architecture. It was listed on the National Register of Historic Places in 2015.
Document 14: 1841 Goshen Courthouse: The 1841 Goshen Courthouse is located along Main Street (NY 207) in the center of Goshen, New York, the seat of Orange County, New York, United States. It was designed by popular local architect Thornton Niven in a Greek Revival style, meant to be a twin of the one he had already built in Newburgh, which at that time shared seat duties with the larger city.
Document 15: 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.
ground_truth: 1991
sub_queries: In which state is Garrett County Courthouse located? Answer: Maryland
when did the first walmart open in Maryland Answer: 1991