You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: SPORTS BOOKS 
Clue: In 1998 the author of this controversial 1970 book was finally invited to play in a Yankees old-timers' game
\"ball four\"

Category: THE CALENDAR 
Clue: It's the 5th month mentioned in the rhyme that begins, "Thirty days hath..."
february

Category: THE OSCARS 
Clue: Only Orson Welles & this man have been nominated for Best Actor & Original Screenplay in the same year while in their 20s

matt damon