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: THE 76th ACADEMY AWARDS 
Clue: He took home the little bald guy for the first time in 4 tries, winning Best Actor for "Mystic River"
sean penn

Category: MARVEL 
Clue: This Marvel superhero is King of Atlantis
sub-mariner

Category: RELIGIOUS NUMBERS 
Clue: At Maundy Thursday mass, a priest traditionally washes the feet of this many people

12