text: In a play by this author, a man slashes his chest and denounces his religion after learning the "song of self- sufficiency."
full_question: In a play by this author, a man slashes his chest and denounces his religion after learning the "song of self- sufficiency." In another of his plays, a man named Booster returns from a jail term he received for killing a woman who accused him of rape and takes his father's place as the manager of the title unlicensed taxi business. The washed-up musician Wining Boy sells his clothes to Lymon in a play by this author in which the central family is haunted by Sutter's ghost as Boy Willie attempts to sell the title object. In another play, he wrote about Cory, who is forbidden to play football by his father, Troy Maxson. For 10 points, name this African-American playwright of the "Pittsburgh Cycle," which includes The Piano Lesson and Fences.
first_sentence: In a play by this author, a man slashes his chest and denounces his religion after learning the "song of self- sufficiency."
raw_answer: August Wilson