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: PEOPLE FROM PLACES 
Clue: Novocastrian is a posh name for residents of this British city on the Tyne

Answer: new castle


Question: Category: CAN'T SMILE WITHOUT YOU 
Clue: It's the hard outer layer of a tooth

Answer: enamel


Question: Category: THE BOSS 
Clue: This longtime backup group was named for the address of the original keyboardist's mother

Answer:
the e street band