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 consistency, answers should be in all lower cased letters.

Category: OH "BOY" 
Clue: Slang term for an American infantryman of WWI
doughboy

Category: IN OTHER WORDS... 
Clue: An ancient alma mater attempt
the old college try

Category: OSCAR-WINNING SONGS 
Clue: "Under the Sea"

the little mermaid