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 consistency, answers should be in all lower cased letters.

[EX Q]: Category: EYE 
Clue: Situated at the outside corner of each eye, these glands secrete a salty solution for lubrication
[EX A]: lacrimal glands

[EX Q]: Category: EUROPEAN CAPITALS 
Clue: This capital lies on the Attica Plain surrounded by mountains including Parnes & Hymettus
[EX A]: athens

[EX Q]: Category: U.S. MONEY 
Clue: This denomination is the oldest coin still in circulation, having been first minted in 1793
[EX A]:
the penny