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: IT'S NOT UNUSUAL 
Clue: From 1938 to 2003, Volkswagen hatched more than 20 million cars of this model
[EX A]: the beetle

[EX Q]: Category: ALL ABOARD AMTRAK 
Clue: The Keystone Route serves NYC, Philly & this capital; Three Mile Island's nearby if you're the nuclear plant gawker type
[EX A]: harrisburg

[EX Q]: Category: GENESIS 
Clue: First signed in 1864, these conventions were the genesis of the humane treatment of wartime wounded
[EX A]:
the geneva conventions