instruction:
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.
question:
Category: LITERARY TRILOGIES 
Clue: "Number One" is actually the number two novel in a trilogy by this author of "U.S.A."
answer:
john dos passos


question:
Category: FIRST 3 LETTERS OF STATES 
Clue: Jeremy Piven's agent role
answer:
arizona


question:
Category: MILLENNIUM MOMENTS 
Clue: In 1543 Copernicus added that while it's the center of the universe, it's not the true center of all space
answer:

the sun