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 simplicity, answers should be in all lower cased letters.
PROBLEM: Category: 4-LETTER BANDS 
Clue: This duo had a 1984 No. 1 hit with "Wake Me Up Before You Go-Go"

SOLUTION: wham!

PROBLEM: Category: DIAMONDS ARE FOREVER 
Clue: Though guiltless, this French queen fell even more out of favor after the 1785 Affair of the Diamond Necklace

SOLUTION: marie antoinette

PROBLEM: Category: 4-LETTER WORDS 
Clue: 4-letter Italian term for the boss of a crime syndicate

SOLUTION:
a capo