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: THE NEW YORK TIMES ENTERTAINMENT 
Clue: "Oil!", a 1927 novel by this muckraker, was on the New York Times Best Seller List in 2008

SOLUTION: upton sinclair

PROBLEM: Category: BELGIUM, BELARUS OR BELIZE 
Clue: It's part of the British Commonwealth of Nations

SOLUTION: belize

PROBLEM: Category: ARCHITECTURE 
Clue: The replacement for this complex is set to include the Freedom Tower, which will rise to a height of 1,776 feet

SOLUTION:
the world trade center