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.

[Q]: Category: COLLEGES 
Clue: Of 60 battles fought in the U.S. Civil War, 55 were commanded on both sides by graduates of this school
[A]: united states military academy


[Q]: Category: THE SENATE 
Clue: The 2 astronauts who went on to become U.S. Senators
[A]: john glenn


[Q]: Category: WORLD TRADE 
Clue: 3 of the 5 founding members of OPEC
[A]:
iran, iraq, kuwait, saudi arabia & venezuela