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: NATURE 
Clue: Like a tree, you can tell the age of a fish by counting these on its scales
[EX A]: rings

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

[EX Q]: Category: THE GRAMMYS 
Clue: This British rocker proved himself a "Phenomenon", winning 2 Grammys for "Change The World"
[EX A]:
eric clapton