What year did Larry McMurtry's screenplay adaptation about the complex emotional and homosexual relationship between Ennis Del Mar and Jack Twist in the American West from 1963 to 1983 win him an oscar?
Larry McMurtry: Larry Jeff McMurtry (born June 3, 1936) is an American novelist, essayist, bookseller, and screenwriter whose work is predominantly set in either the old West or in contemporary Texas. Larry McMurtry:  McMurtry and cowriter Diana Ossana adapted the screenplay for "Brokeback Mountain" (2005), which earned eight Academy Award nominations with three wins, including McMurtry and Ossana for Best Adapted Screenplay. Brokeback Mountain:  The film stars Heath Ledger, Jake Gyllenhaal, Anne Hathaway, and Michelle Williams, and depicts the complex emotional and homosexual relationship between Ennis Del Mar and Jack Twist in the American West from 1963 to 1983.
i don't know