Question: Which major awards did the author of the play Seven Guitars receive for his work ? 

full_context: Document 1: Fences (play): Fences is a 1985 play by American playwright August Wilson. Set in the 1950s, it is the sixth in Wilson's ten-part "Pittsburgh Cycle". Like all of the "Pittsburgh" plays, "Fences" explores the evolving African-American experience and examines race relations, among other themes. The play won the 1987 Pulitzer Prize for Drama and the 1987 Tony Award for Best Play. The play was first developed at the Eugene O'Neill Theater Center's 1983 National Playwrights Conference and premiered at the Yale Repertory Theatre in 1985.
Document 2: The American Playwrights Theater: The One Acts: The American Playwrights Theater: The One Acts is a US television anthology series. Anthony Quinn hosted four episodes that aired on the Arts and Entertainment Network from 1989 to 1990. Play titles were by Marsha Norman; The Rope (One-Act Play) by Eugene O'Neill; Let Me Hear You Whisper by Paul Zindel; and Twenty-seven Wagons Full of Cotton by Tennessee Williams.
Document 3: The Glass Menagerie: The Glass Menagerie is a five-character memory play by Tennessee Williams that premiered in 1944 and catapulted Williams from obscurity to fame. The play has strong autobiographical elements, featuring characters based on Williams himself, his histrionic mother, and his mentally fragile sister Rose. In writing the play, Williams drew on an earlier short story, as well as a screenplay he had written under the title of "The Gentleman Caller".
Document 4: Seven Guitars: 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.
Document 5: Arthur Miller: Arthur Asher Miller (October 17, 1915 – February 10, 2005) was an American playwright, essayist, and figure in twentieth-century American theater. Among his most popular plays are "All My Sons" (1947), "Death of a Salesman" (1949), "The Crucible" (1953) and "A View from the Bridge" (1955, revised 1956). He also wrote several screenplays and was most noted for his work on "The Misfits" (1961). The drama "Death of a Salesman" has been numbered on the short list of finest American plays in the 20th century alongside "Long Day's Journey into Night" and "A Streetcar Named Desire".
Document 6: The Piano Lesson (film): The Piano Lesson is a 1995 American television film based on the play "The Piano Lesson" by August Wilson. Produced by Hallmark Hall of Fame, the film originally aired on CBS on February 5, 1995. Directed by Lloyd Richards, the film stars Charles S. Dutton and Alfre Woodard, and relies on most of its cast from the original Broadway production.
Document 7: To Be Young, Gifted and Black (play): "To Be Young, Gifted and Black: Lorraine Hansberry in her Own Words", was written by Lorraine Hansberry, an American writer best known for her 1957 play "A Raisin in the Sun", a play that made Hansberry the first black author of a show on Broadway. After her death in 1965, Hansberry's ex-husband and friend, songwriter and poet Robert Nemiroff, collated her unpublished writings and adapted them into a stage play that first ran from 1968 to 1969 off Broadway. It was then converted into an equally successful autobiography with the same title.
Document 8: Tennessee Williams: Thomas Lanier "Tennessee" Williams III (March 26, 1911 – February 25, 1983) was an American playwright. Along with Eugene O'Neill and Arthur Miller, he is considered among the three foremost playwrights of 20th-century American drama.
Document 9: Black Horizon Theater: Black Horizons Theater was a community-based, Black Nationalist theater company co-founded in 1968 by Curtiss Porter, Tony Fountain, E. Philip McKain, August Wilson and Rob Penny in the Hill District of Pittsburgh, Pennsylvania, United States.
Document 10: Angels in America: Angels in America: A Gay Fantasia on National Themes is a play in two parts by American playwright Tony Kushner. The work won numerous awards, including the Pulitzer Prize for Drama, the Tony Award for Best Play, and the Drama Desk Award for Outstanding Play. Part one of the play premiered in 1991 and its Broadway opening was in 1993.
Document 11: Decade (play): Decade is a 2011 play by Tony Kushner, John Logan and Paul Laverty commemorating the tenth anniversary of the September 11 attacks. Its structure is drawn from the work of the choreographer Pina Bausch and it involves a cast of 12. It premièred in St Katharine Docks (the site of London's World Trade Centre) and was performed from 1 September to 15 October 2011, in a production starring Lia Williams and directed by Rupert Goold.
Document 12: Arthur Miller: Arthur Asher Miller (October 17, 1915 – February 10, 2005) was an American playwright, essayist, and figure in twentieth-century American theater. Among his most popular plays are "All My Sons" (1947), "Death of a Salesman" (1949), "The Crucible" (1953) and "A View from the Bridge" (1955, revised 1956). He also wrote several screenplays and was most noted for his work on "The Misfits" (1961). The drama "Death of a Salesman" has been numbered on the short list of finest American plays in the 20th century alongside "Long Day's Journey into Night" and "A Streetcar Named Desire".
Document 13: Lorraine Hansberry: Lorraine Vivian Hansberry (May 19, 1930 – January 12, 1965) was an African-American playwright and writer.
Document 14: David Mamet: David Alan Mamet ( ; born November 30, 1947) is an American playwright, essayist, screenwriter, and film director. As a playwright, Mamet has won a Pulitzer Prize and received Tony nominations for "Glengarry Glen Ross" (1984) and "Speed-the-Plow" (1988). Mamet first gained acclaim for a trio of off-Broadway plays in 1976, "The Duck Variations," "Sexual Perversity in Chicago," and "American Buffalo." His play "Race" opened on Broadway on December 6, 2009, and his play "The Penitent" previewed off-Broadway on February 8, 2017.
Document 15: August Wilson: 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.
ground_truth: two Pulitzer Prizes