Question: Which major awards did the author of the play Seven Guitars receive for his work ? 
Context: Westermalms IF FK is a Swedish football club located in Stockholm that competed in the Allsvenskan for two seasons in the late 1920s.  The club currently play seven tiers lower in Division 6 Stockholm C. Joseph Eric Thornton (born July 2, 1979) is a Canadian professional ice hockey centre and an alternate captain for the San Jose Sharks of the National Hockey League (NHL).  He was selected first overall by the Boston Bruins in the 1997 NHL Entry Draft and went on to play seven seasons with the club, three as its captain.  During the 2005–06 season, he was traded to the Sharks.  Splitting the campaign between the two teams, he received the Art Ross and Hart Memorial Trophies as the league's leading point-scorer and most valuable player, respectively. James Alfred Metcalf (12 December 1898 – 20 February 1975) was an English professional footballer who played as a wing half.  He was born in Whitburn, County Durham, and as a youngster he played local football with Sunderland Schoolboys and Sunderland Royal Rovers.  He later played for Southwick, where he won several local amateur trophies.  Metcalf was signed by Football League Second Division club South Shields in April 1920 and went on to play seven seasons with the Horsley Hill club, making 185 appearances and scoring twice.  In June 1927 he joined Second Division rivals Preston North End on a free transfer.  During a single season with the Lancashire club, he played in 16 league matches. The 2013–14 Ekstraklasa or T-Mobile Ekstraklasa for sponsorship reasons, Is the 80th season of the highest level of football leagues in Poland since its establishment in 1927.  It began on 19 July 2013.  A total of 16 teams are participating, 14 of which competed in the league during the 2012–13 season, while the remaining two were promoted from the I Liga.  Each team plays a total of 30 matches, half at home and half away.  After 30th round, league will be split into 'champion' (top eight teams) and 'relegation' (bottom eight teams) groups.  Each team will play seven more games (1-4 and 9-12 teams will play four times at home), starting with half the points achieved during the first phase of 30 matches.  The changes extend the season to total of 296 matches played. Richard Stirling is a British writer and actor, who has appeared on film, television and the West End and American stage.  He has written arts features for many newspapers and magazines, and drew attention for his 2009 play Seven Other Children, penned as a response to Caryl Churchill's controversial play Seven Jewish Children. Seven Guitars is a 1995 play by American playwright August Wilson.  It focuses on seven African-American characters in the year 1948.  The play begins and ends after the funeral of one of the main characters, showing events leading to the funeral in flashbacks.  "Seven Guitars" represents the 1940s entry in Wilson's "Pittsburgh Cycle", a decade-by-decade anthology of African-American life in Pittsburgh, Pennsylvania during the twentieth century; Wilson would revisit the stories of some of these characters in "King Hedley II", set in the 1980s. James E. Price (born November 27, 1949) is a retired American professional basketball player.  After starring at the University of Louisville, the 6' 3" Price was drafted by the Los Angeles Lakers in the second round of the 1972 NBA draft.  Price would go on to play seven NBA seasons (1972–1979), spending time with the Lakers, Milwaukee Bucks, Buffalo Braves, Denver Nuggets and Detroit Pistons.  He was an All-Star in 1975, and he retired with 5,088 career points. The 1945 Chicago Cardinals season was the 26th season the team was in the league.  The team improved on their previous output of 0–10, winning one game, and snapping an NFL record 29-game losing streak (dating back to 1942) in the process.  They failed to qualify for the playoffs for the 20th consecutive season.  The Cardinals had to play seven consecutive games on the road (albeit one was in Chicago, against the Bears) and they were shut out in four of their ten games. August Wilson (April 27, 1945 – October 2, 2005) was an American playwright whose work included a series of ten plays, "The Pittsburgh Cycle", for which he received two Pulitzer Prizes for Drama.  Each work in the series is set in a different decade, and depicts comic and tragic aspects of the African-American experience in the 20th century. Elvis M. Grbac ( ; born August 13, 1970) is a retired American football quarterback who played in the National Football League (NFL).  During his career he was a starting quarterback for the San Francisco 49ers, the Kansas City Chiefs, and the Baltimore Ravens.  In college, he was a three-time passing efficiency champion, a Sammy Baugh Trophy winner and the quarterback for Heisman Trophy-winner Desmond Howard.  Drafted by the 49ers in 1993, and serving in his rookie year as the backup to Steve Young, he went on to play seven more seasons, starting 70 of the 106 games he played for San Francisco (1993–96), Kansas City (1997–2000) and Baltimore (2001).
Answer: two Pulitzer Prizes