Which film won the Academy Award for Best Picture for 1969?

Which film won the Academy Award for Best Picture for 1967? Who directed 'In the Heat of the Night', the Best Picture winner for 1967? Which film won the Academy Award for Best Picture for 1968? Who directed 'Oliver!', the Best Picture winner for 1968? Who directed 'Midnight Cowboy', the Best Picture winner for 1969? Which film won the Academy Award for Best Picture for 1970? Who directed 'Patton', the Best Picture winner for 1970? Which film won the Academy Award for Best Picture for 1971?