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: GRAY MATTERS 
Clue: This hemisphere of the brain generally governs musical & artistic creativity
[A]: right


[Q]: Category: MARVEL 
Clue: This Marvel superhero is King of Atlantis
[A]: sub-mariner


[Q]: Category: U.S. GEOGRAPHY 
Clue: This western branch of the Appalachians runs from north central Penn. through MD., VA. & W. VA.
[A]:
alleghenies