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.

[EX Q]: Category: DIMENSIONS 
Clue: Don't lose the thread--there are 10 or so dimensions in this physics theory
[EX A]: string theory

[EX Q]: Category: "PAR"TY TIME 
Clue: It's equal to 3.26 light years
[EX A]: parsec

[EX Q]: Category: MILITARY LEADERS 
Clue: Robert E. Lee's truce flag was delivered to this general in 1865; in 1876 he was killed at Little Big Horn
[EX A]:
george custer