Besides the upset for Best Picture at last night's Oscars, the awards were also notable in that the Best Picture winner (Crash) only won in three categories (Best Picture, Best Original Screenplay, Best Editing). What was the last Best Picture winner not to win more than three Oscars?

Besides Crash, no other movie this year won more than three Oscars (though three movies -- Brokeback Mountain, Memoirs of a Geisha, and King Kong -- tied with Crash). What was the last year in which no movie won more than three Oscars?