Question: What is one annual event hosted by the city that is the capital of Oklahoma?

full_context: Document 1: Oklahoma: Regular LPGA tournaments are held at Cedar Ridge Country Club in Tulsa, and major championships for the PGA or LPGA have been played at Southern Hills Country Club in Tulsa, Oak Tree Country Club in Oklahoma City, and Cedar Ridge Country Club in Tulsa. Rated one of the top golf courses in the nation, Southern Hills has hosted four PGA Championships, including one in 2007, and three U.S. Opens, the most recent in 2001. Rodeos are popular throughout the state, and Guymon, in the state's panhandle, hosts one of the largest in the nation.
Document 2: Oklahoma City: Oklahoma City is the annual host of the Big 12 Baseball Tournament, the World Cup of Softball, and the annual NCAA Women's College World Series. The city has held the 2005 NCAA Men's Basketball First and Second round and hosted the Big 12 Men's and Women's Basketball Tournaments in 2007 and 2009. The major universities in the area – University of Oklahoma, Oklahoma City University, and Oklahoma State University – often schedule major basketball games and other sporting events at Chesapeake Energy Arena and Chickasaw Bricktown Ballpark, although most home games are played at their campus stadiums.
Document 3: Oklahoma: In descending order of population, Oklahoma's largest cities in 2010 were: Oklahoma City (579,999, +14.6%), Tulsa (391,906, −0.3%), Norman (110,925, +15.9%), Broken Arrow (98,850, +32.0%), Lawton (96,867, +4.4%), Edmond (81,405, +19.2%), Moore (55,081, +33.9%), Midwest City (54,371, +0.5%), Enid (49,379, +5.0%), and Stillwater (45,688, +17.0%). Of the state's ten largest cities, three are outside the metropolitan areas of Oklahoma City and Tulsa, and only Lawton has a metropolitan statistical area of its own as designated by the United States Census Bureau, though the metropolitan statistical area of Fort Smith, Arkansas extends into the state.
Document 4: Oklahoma: Oklahoma had 598 incorporated places in 2010, including four cities over 100,000 in population and 43 over 10,000. Two of the fifty largest cities in the United States are located in Oklahoma, Oklahoma City and Tulsa, and 65 percent of Oklahomans live within their metropolitan areas, or spheres of economic and social influence defined by the United States Census Bureau as a metropolitan statistical area. Oklahoma City, the state's capital and largest city, had the largest metropolitan area in the state in 2010, with 1,252,987 people, and the metropolitan area of Tulsa had 937,478 residents. Between 2000 and 2010, the cities that led the state in population growth were Blanchard (172.4%), Elgin (78.2%), Jenks (77.0%), Piedmont (56.7%), Bixby (56.6%), and Owasso (56.3%).
Document 5: Oklahoma: Collegiate athletics are a popular draw in the state. The state has four schools that compete at the highest level of college sports, NCAA Division I. The most prominent are the state's two members of the Big 12 Conference, one of the so-called Power Five conferences of the top tier of college football, Division I FBS. The University of Oklahoma and Oklahoma State University average well over 50,000 fans attending their football games, and Oklahoma's football program ranked 12th in attendance among American colleges in 2010, with an average of 84,738 people attending its home games. The two universities meet several times each year in rivalry matches known as the Bedlam Series, which are some of the greatest sporting draws to the state. Sports Illustrated magazine rates Oklahoma and Oklahoma State among the top colleges for athletics in the nation. Two private institutions in Tulsa, the University of Tulsa and Oral Roberts University; are also Division I members. Tulsa competes in FBS football and other sports in the American Athletic Conference, while Oral Roberts, which does not sponsor football, is a member of The Summit League. In addition, 12 of the state's smaller colleges and universities compete in NCAA Division II as members of four different conferences, and eight other Oklahoma institutions participate in the NAIA, mostly within the Sooner Athletic Conference.
Document 6: Oklahoma City: Oklahoma City is the principal city of the eight-county Oklahoma City Metropolitan Statistical Area in Central Oklahoma and is the state's largest urbanized area. Based on population rank, the metropolitan area was the 42nd largest in the nation as of 2012.
Document 7: Oklahoma City: Oklahoma City is the capital and largest city of the state of Oklahoma. The county seat of Oklahoma County, the city ranks 27th among United States cities in population. The population grew following the 2010 Census, with the population estimated to have increased to 620,602 as of July 2014. As of 2014, the Oklahoma City metropolitan area had a population of 1,322,429, and the Oklahoma City-Shawnee Combined Statistical Area had a population of 1,459,758 (Chamber of Commerce) residents, making it Oklahoma's largest metropolitan area. Oklahoma City's city limits extend into Canadian, Cleveland, and Pottawatomie counties, though much of those areas outside of the core Oklahoma County area are suburban or rural (watershed). The city ranks as the eighth-largest city in the United States by land area (including consolidated city-counties; it is the largest city in the United States by land area whose government is not consolidated with that of a county or borough).
Document 8: Oklahoma City: Oklahoma City has experienced significant population increases since the late 1990s. In May 2014, the U.S. Census announced Oklahoma City had an estimated population of 620,602 in 2014 and that it had grown 5.3 percent between April 2010 and June 2013. Since the official Census in 2000, Oklahoma City had grown 21 percent (a 114,470 raw increase) according to the Bureau estimates. The 2014 estimate of 620,602 is the largest population Oklahoma City has ever recorded. It is the first city in the state to record a population greater than 600,000 residents and the largest municipal population of the Great Plains region (OK, KS, NE, SD, ND).
Document 9: 2017 NCAA Division I Softball Tournament: The 2017 NCAA Division I Softball Tournament is being held from May 18 through June 7, 2017 as the final part of the 2017 NCAA Division I softball season. The 64 participating NCAA Division I college softball teams were selected out of an eligible 293 teams on May 14, 2017. Thirty - two teams were awarded automatic bids as champions of their conferences, and the remaining 32 were selected at - large by the NCAA Division I softball selection committee. The tournament culminates with eight teams playing in the 2017 Women's College World Series at ASA Hall of Fame Stadium in Oklahoma City. Oklahoma would repeat as National Champions, defeating Florida in 2 games.
Document 10: Midwest City, Oklahoma: Midwest City is a city in Oklahoma County, Oklahoma, United States, and a part of the Oklahoma City metropolitan area. As of the 2010 census, the population was 54,371, making it the eighth largest city in the state.
Document 11: Oklahoma: Oklahoma i/ˌoʊkləˈhoʊmə/ (Cherokee: Asgaya gigageyi / ᎠᏍᎦᏯ ᎩᎦᎨᏱ; or translated ᎣᎦᎳᎰᎹ (òɡàlàhoma), Pawnee: Uukuhuúwa, Cayuga: Gahnawiyoˀgeh) is a state located in the South Central United States. Oklahoma is the 20th most extensive and the 28th most populous of the 50 United States. The state's name is derived from the Choctaw words okla and humma, meaning "red people". It is also known informally by its nickname, The Sooner State, in reference to the non-Native settlers who staked their claims on the choicest pieces of land before the official opening date, and the Indian Appropriations Act of 1889, which opened the door for white settlement in America's Indian Territory. The name was settled upon statehood, Oklahoma Territory and Indian Territory were merged and Indian was dropped from the name. On November 16, 1907, Oklahoma became the 46th state to enter the union. Its residents are known as Oklahomans, or informally "Okies", and its capital and largest city is Oklahoma City.
Document 12: Oklahoma City: According to the United States Census Bureau, the city has a total area of 620.34 square miles (1,606.7 km2), of which, 601.11 square miles (1,556.9 km2) of it is land and 19.23 square miles (49.8 km2) of it is water. The total area is 3.09 percent water.
Document 13: Oklahoma City: Chesapeake Energy Arena in downtown is the principal multipurpose arena in the city which hosts concerts, NHL exhibition games, and many of the city's pro sports teams. In 2008, the Oklahoma City Thunder became the major tenant. Located nearby in Bricktown, the Chickasaw Bricktown Ballpark is the home to the city's baseball team, the Dodgers. "The Brick", as it is locally known, is considered one of the finest minor league parks in the nation.[citation needed]
Document 14: Oklahoma City: Other major sporting events include Thoroughbred and Quarter horse racing circuits at Remington Park and numerous horse shows and equine events that take place at the state fairgrounds each year. There are numerous golf courses and country clubs spread around the city.
Document 15: Women's College World Series: The Women's College World Series (WCWS) is the final portion of the NCAA Division I Softball Championship for college softball in the United States. The tournament format consists of two four - team double - elimination brackets. The winners of each bracket then compete in a best - of - three series to determine the Division I WCWS National Champion. The WCWS takes place at ASA Hall of Fame Stadium in Oklahoma City. From 1969 to 1981, the women's collegiate softball championship was also known as the Women's College World Series and was promoted as such. During 1969 -- 1979, the series was played in Omaha, and in 1980 -- 1982 in Norman, Oklahoma. The NCAA held its first six Division I tournaments in Omaha in 1982 -- 1987, followed by Sunnyvale, California in 1988 -- 1989. The event has been held in Oklahoma City every year since then, except for 1996 in Columbus, Georgia.
ground_truth: Big 12 Baseball Tournament
sub_queries: What is the capital of Oklahoma? Answer: Oklahoma City
What is one annual event Oklahoma City hosts? Answer: Big 12 Baseball Tournament