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.

[Q]: Category: MARK ANTONYMS 
Clue: The traditional mark of someone who can't sign his name has this opposite in tic-tac-toe
[A]: o


[Q]: Category: THE PRODUCE DEPARTMENT 
Clue: This "tasty" word follows "red" & "golden" in names of apple varieties
[A]: delicious


[Q]: Category: CHARACTERS IN PLAYS 
Clue: In a 1960 musical, this Elvis-like rock star gets his draft notice from Uncle Sam -- bye, bye
[A]:
conrad birdie