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.

Q: Category: WHAT THE "MEL" 
Clue: He penned the immortal introduction "Call me Ishmael"

A: herman melville
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Q: Category: "T.W." 
Clue: You might have learned to ride your bike with the help of these attachments

A: training wheels
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Q: Category: ALIASES 
Clue: Diedrich Knickerbocker, a "sleepy" novelist

A:
washington irving
****