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: 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: OPERA 
Clue: "Esmeralda", an 1840s opera, is based on a work by this "Miserable" author
[EX A]: victor hugo

[EX Q]: Category: THE YEAR THAT WAS 
Clue: Over 400,000 attended Woodstock, Chicago 8 went on trial, Neil Armstrong walked on the Moon
[EX A]:
1969