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: RHYME TIME 
Clue: The evening assigned for the boxing match

Answer: fight night


Question: Category: HOW GREAT THOU ART 
Clue: This "mama's boy" answered the art critics in his 1890 book "The Gentle Art of Making Enemies"

Answer: whistler


Question: Category: FINANCE 
Clue: This term for a top quality stock comes from the gambling world

Answer:
blue chip