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: BARTLETT'S FAMILIAR QUOTATIONS 
Clue: The latest "Bartlett's" lists quotes chronologically; the first quotes come from this country
egypt

Category: MILITARY TRAINING BASES 
Clue: Service branch with a San Diego recruit depot & a Yuma air station
marines

Category: STATS FREAK 
Clue: Wilt Chamberlain & this '60s Celtic are the only NBAers to average more than 20 rebounds per game

bill russell