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: AMERICAN LITERATURE 
Clue: Controversial even when serialized in the "National Era", it sold over 300,000 copies in book form in 1852
[EX A]: uncle tom\'s cabin

[EX Q]: Category: HISTORIC NAMES 
Clue: 2 of the people who witnessed his execution were John Wilkes Booth & Stonewall Jackson
[EX A]: john brown

[EX Q]: Category: ACTORS & THEIR ROLES 
Clue: Name shared by characters that Derek Jacobi played in a PBS miniseries & in Kenneth Branagh's film of "Hamlet"
[EX A]:
claudius

