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.
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Question: Category: PLAYS 
Clue: Written in 1953 & set in the late 17th C., this play takes place about 16 miles northeast of where we are right now

Answer: the crucible


Question: Category: MYTHOLOGICAL WORDS & PHRASES 
Clue: This prized object was the coat of the winged ram that flew Phrixus to safety

Answer: the golden fleece


Question: Category: SCIENCE 
Clue: As it has no mass, this particle travels at about 186,000 miles per second

Answer:
photon