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: A TRIP ON THE "L" 
Clue: Big building on the back of the U.S. $5 bill
[EX A]: lincoln memorial

[EX Q]: Category: VERY GRIMM TALES 
Clue: In the original Grimm Brothers version, after the miller's daughter guessed his name, he tore himself in two
[EX A]: rumpelstiltskin

[EX Q]: Category: JAZZ & BLUES NICKNAMES 
Clue: McKinley Morganfield
[EX A]:
"muddy waters"