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.
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Question: Category: EUROPEAN CAPITALS 
Clue: This capital lies on the Attica Plain surrounded by mountains including Parnes & Hymettus

Answer: athens


Question: Category: OPENING LINES OF SHAKESPEARE 
Clue: "Now is the winter of our discontent made glorious summer by this sun of York"

Answer: richard iii


Question: Category: NAMESAKES 
Clue: This measure of sound intensity is named for Alexander Graham Bell

Answer:
decibel