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: CHEMISTRY 
Clue: She had high school chemistry with Peter Jacobson, whom she married in 1978 & later helped create "The Nanny"
[EX A]: fran drescher

[EX Q]: Category: PRESIDENTS 
Clue: After Garfield's death, he refused to move into the White House until it was redecorated
[EX A]: arthur

[EX Q]: Category: CARBON 
Clue: This mineral is the most stable form of carbon, though not when you sharpen your pencil too fine
[EX A]:
graphite