TASK DEFINITION: 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.
PROBLEM: Category: ROCK BANDS 
Clue: ("Fight for Your Right")

SOLUTION: the beastie boys

PROBLEM: Category: 3-LETTER WORDS 
Clue: For 5 & 7 it's 12

SOLUTION: sum

PROBLEM: Category: RICHARD 
Clue: Either of the 2 parents of Richard the Lion-Hearted

SOLUTION:
henry ii & eleanor of aquitaine