Which film won the Academy Award for Best Picture for 1981?

Who directed 'The Sting', the Best Picture winner for 1973? Which film won the Academy Award for Best Picture for 1974? Which film won the Academy Award for Best Picture for 1979? Which film won the Academy Award for Best Picture for 1980? Which film won the Academy Award for Best Picture for 1983? Which film won the Academy Award for Best Picture for 1985? Which film won the Academy Award for Best Picture for 1986? Which film won the Academy Award for Best Picture for 1987?