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: NEW MEXICO 
Clue: In 1942 this comparatively isolated New Mexico place was chosen for an atomic research lab

SOLUTION: los alamos

PROBLEM: Category: PAC-MAN 
Clue: Rep. Delahunt said a 2005 bill making it harder to qualify for this "was written for and by the credit card industry"

SOLUTION: bankruptcy

PROBLEM: Category: WORLD CAPITALS 
Clue: Opera lovers know the Royal Danish Opera is based in this city

SOLUTION:
copenhagen