Question: When did the first Walmart open the the state where Wisp Ski Resort is located?

full_context: Document 1: Whitewater Ski Resort: Whitewater Ski Resort is a ski resort located a 25-minute drive from Nelson in southern British Columbia, Canada. The resort is situated in Ymir bowl, beneath the high Ymir Mountain, in the Selkirk Mountains. The Selkirks receive plentiful, dry snow, and the location in a high alpine bowl provides an annual snowfall average of approximately . The elevation of the parking lot is and the highest lift accessed point is . While Ymir Peak is not included within the ski area boundary, lifts climb both shoulders of the bowl and provide easy traverse routes along ridges to the top. In addition to its snow, the resort is renowned for its tree skiing and steep runs; only 20% of the runs are beginner, while 40% are intermediate and the remaining 40% are advanced. Areas surrounding Whitewater, including West Arm Provincial Park, are renowned for easy access for backcountry split boarding and ski touring.
Document 2: South Branch Wildlife Management Area: The South Branch Wildlife Management Area is of mixed oak-hickory woodlands and pastures in Hampshire and Hardy Counties, West Virginia, USA. The South Branch WMA consists of four separate tracts (McNeill, Bridge, Trough Club, and Sector) along the South Branch Potomac River around and south of the river gorge known as The Trough. It is known throughout the region for its dove, squirrel, deer, and wild turkey hunting. The WMA is owned by the West Virginia Division of Natural Resources.
Document 3: Mad River Mountain: Mad River Mountain is a ski and snowboard resort in Valley Hi, Ohio, United States. The elevation of Mad River Mountain is with a vertical drop of , and it has a ski season that runs from December 1 through March 16. The resort, which opened in 1962, as Valley Hi Ski Area, is owned and operated by Peak Resorts.
Document 4: Wisp Ski Resort: Wisp Resort is the only four-season downhill ski resort in Maryland. It is located near Deep Creek Lake in the town of McHenry in Garrett County, Maryland, near the border of West Virginia and Western Pennsylvania/Pittsburgh Metropolitan Area. It is located 32 miles from Cumberland, Maryland, 2 hours from Pittsburgh, and 3 hours from Baltimore and Washington, DC. The ski slopes are located on Marsh Mountain. Wisp Resort was founded by Mr.Helmuth M.G. Heise and is currently owned by Pacific Group Resorts, Inc.
Document 5: 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 6: Mystery Mountain Winter Park: Mystery Mountain Winter Park is a park in Mystery Lake, Manitoba, Canada. It is located 20 minutes north of Thompson on Highway Provincial Road 280, BOX 246, Thompson, Manitoba.
Document 7: Briery Mountain Wildlife Management Area: The former Briery Mountain Wildlife Management Area was located on near Kingwood in Preston County, West Virginia. The wildlife management area was part of the Camp Dawson Army Training Center, owned by the West Virginia State Armory Board. Briery Mountain WMA was sited on Briery Mountain, overlooking Camp Dawson and the Cheat River valley. The land had been cooperatively managed by the WV State Armory Board and the WV Division of Natural Resources. Construction of a live-fire range forced the permanent closure of the WMA.
Document 8: 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 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: 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 11: 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 12: Martin Mountain Ridge: Martin Mountain Ridge is a ridge located in Allegany County, Maryland lying 3.25 miles west of Flintstone, Maryland and extending into Pennsylvania. Its highest elevation is 1,980 feet.
Document 13: 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 14: 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 15: Hillcrest Wildlife Management Area: Hillcrest Wildlife Management Area is located in Hancock County near New Cumberland, West Virginia. Located on of former farmland, the flat bottoms and rolling hills provide open fields, old orchards and small forest lots.
ground_truth: 1991
sub_queries: In which state is Wisp Ski Resort located? Answer: Maryland
when did the first walmart open in Maryland Answer: 1991