Question: How many matches have been played by the U.S. mens national soccer team in the stadium that hosted the 2011 Military Bowl? 

full_context: Document 1: 2004 MLS All-Star Game: The 2004 Major League Soccer All-Star Game was the 9th Major League Soccer All-Star Game, played on July 31, 2004 at RFK Stadium in Washington, D.C. between the Eastern Conference All-Stars and Western Conference All-Stars. The Eastern Conference earned the victory after a hard-fought 3-2 win over the West.
Document 2: 2011 Meineke Car Care Bowl of Texas: The 2011 Meineke Car Care Bowl of Texas, the sixth edition of the game, was a post-season American college football bowl game, held on December 31, 2011 at Reliant Stadium in Houston, Texas as part of the 2011–12 NCAA Bowl season.
Document 3: Washington Nationals: The Washington Nationals are a professional baseball team based in Washington, D.C. The Nationals compete in Major League Baseball (MLB) as a member club of the National League (NL) East division. From 2005 to 2007, the team played in RFK Stadium; since 2008 their home stadium has been Nationals Park on South Capitol Street in Southeast D.C., near the Anacostia River.
Document 4: 2011 Military Bowl: The 2011 Military Bowl Presented by Northrop Grumman, the fourth edition of the game, was a post-season American college football bowl game, held on December 28, 2011 at Robert F. Kennedy Memorial Stadium in Washington, D.C. as part of the 2011–12 NCAA bowl season.
Document 5: 2011 TicketCity Bowl: The 2011 TicketCity Bowl was a college football bowl game played at Cotton Bowl in Dallas, Texas. The game was played on January 1, 2011, at 12:00 p.m. ET and was telecast on ESPNU. This game replaced the Cotton Bowl Classic, which moved from its long-time home to Cowboys Stadium in nearby Arlington in 2010, and pitted the Northwestern Wildcats from the Big Ten Conference against the Texas Tech Red Raiders from the Big 12 Conference. The game was originally labeled "The Dallas Football Classic," but on November 8, 2010, a deal was announced for TicketCity to become the title sponsor of the bowl.
Document 6: 2002 MLS All-Star Game: The 2002 Major League Soccer All-Star Game was the 7th Major League Soccer All-Star Game, played on August 3, 2002 at RFK Stadium in Washington D.C.. Major League Soccer, looking to capitalize on the success of the United States at the 2002 FIFA World Cup, invited the US national team to compete against the MLS All-Stars. Bruce Arena assembled a roster of the national team's most prominent domestic players in the last decade, while then-San Jose Earthquakes head coach Frank Yallop formed an All-Star team of the top talent among the league's remaining players.
Document 7: 2014 Navy Midshipmen football team: The 2014 Navy Midshipmen football team represented the United States Naval Academy in the 2014 NCAA Division I FBS football season. The Midshipmen were led by seventh year head coach Ken Niumatalolo and played their home games at Navy – Marine Corps Memorial Stadium. The Midshipmen competed as an Independent. This was the final year as an Independent before the school joins the American Athletic Conference. They finished the season 8–5. They were invited to the Poinsettia Bowl where they defeated San Diego State.
Document 8: Washington Redskins: The Washington Redskins are a professional American football team based in the Washington metropolitan area. The Redskins compete in the National Football League (NFL) as a member of the National Football Conference (NFC) East division. The team plays its home games at FedExField in Landover, Maryland; its headquarters and training facility are at Inova Sports Performance Center at Redskins Park in Ashburn, Virginia, and the Redskins Complex in Richmond, Virginia, respectively. The Redskins have played more than 1,000 games since 1932, and are one of only five franchises in the NFL to record over 600 regular season and postseason wins, reaching that mark in 2015. The Redskins have won five NFL Championships (two pre-1966 merger announcement, and three Super Bowls). The franchise has captured 14 NFL divisional titles and six NFL conference championships. The Redskins were the first team in the NFL with an official marching band, and also the first team to have a fight song, "Hail to the Redskins".
Document 9: Robert F. Kennedy Memorial Stadium: Robert F. Kennedy Memorial Stadium, commonly known as RFK Stadium, is a multi-purpose stadium in Washington, D.C., located about two miles (3 km) due east of the U.S. Capitol building. It is the current home of D.C. United of Major League Soccer and the AT&T Nation's Football Classic. The U.S. men's national soccer team has played 22 matches there from 1977 to 2013, more than any other stadium.
Document 10: 2014 Belk Bowl: The 2014 Belk Bowl was a college football bowl game that was played on December 30, 2014 at Bank of America Stadium in Charlotte, North Carolina in the United States. The thirteenth annual Belk Bowl, it matched the Georgia Bulldogs of the Southeastern Conference against the Louisville Cardinals of the Atlantic Coast Conference. The game started at 6:45 p.m. EST and aired on ESPN. It was one of the 2014–15 bowl games played at the conclusion of the 2014 FBS football season. The game was sponsored by Charlotte-based department store chain Belk. The Bulldogs won the matchup by a final score of 37–14.
Document 11: Sports in Washington, D.C.: Sports in the Washington, D.C. area include major league sports teams, popular college sports teams, and a variety of other team and individual sports. The Washington metro area is also home to several major sports venues including Capital One Arena, RFK Stadium, FedExField, and Nationals Park. Washington teams are widely known as some of the least successful in American sports, as no big four team has reached its sport's conference championship round since the 1998 Stanley Cup playoffs and no team has won a championship since the Redskins won Super Bowl XXVI. The area is also home to two regional sports television networks, Comcast SportsNet Mid-Atlantic, which is based in Bethesda, Maryland and Mid-Atlantic Sports Network.
Document 12: 2011 Insight Bowl: The 2011 Insight Bowl, the 23rd edition of the game, was a post-season American college football bowl game, held on December 30, 2011 at Sun Devil Stadium in Tempe, Arizona as part of the 2011–12 NCAA Bowl season.
Document 13: Children's Mercy Park: Children's Mercy Park (formerly Sporting Park and Livestrong Sporting Park) is a soccer-specific stadium in Kansas City, Kansas, United States, and is the home of Sporting Kansas City. The stadium is located near Kansas Speedway and it opened during the 2011 season of Major League Soccer on June 9, 2011 with a match against the Chicago Fire. The stadium has a seating capacity of 18,467 seats, which can expand to 25,000 for concerts. Most SKC games attract around 21,000 because of different stadium modes. The stadium is Sporting Kansas City's third home venue; then known as the Kansas City Wizards, the team played in Arrowhead Stadium from 1996 to 2007 and CommunityAmerica Ballpark from 2008 to 2010. In 2013, the stadium hosted the MLS All-Star Game, the United States men's national soccer team, and the MLS Cup, three of the most prestigious matches in the United States, and is the only stadium to host all three in the same year.
Document 14: 1924 Rose Bowl: The 1924 Rose Bowl was a postseason American college football bowl game played between the independent Navy Midshipmen and the Washington Huskies, a member of the Pacific Coast Conference (PCC). The game took place on January 1, 1924, at the Rose Bowl stadium in Pasadena, California, closing the 1923 college football season. The game opened in front of approximately 40,000 people and ended in a 1414 tie. It was the first post-season bowl game for both teams. The 1924 game was the tenth edition of the Rose Bowl, which had first been played in 1902. Following the inaugural game's blowout score, football was replaced with chariot races until 1916. The Rose Bowl stadium had been constructed in 1923, making this edition the second game played in the arena.
Document 15: List of Washington Nationals seasons: The Washington Nationals are a professional baseball team that has been based in Washington, D.C. since . The Nationals are a member of both the Major League Baseball's (MLB) National League Eastern Division and the National League (NL) itself. Since the 2008 season, the Nationals have played in Nationals Park; from 2005 through , the team played in Robert F. Kennedy Memorial Stadium.
ground_truth: 22