Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
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Question: In the TV programme '24', what is the name of the character played by Kiefer Sutherland?

Answer: jack bauer

Question: The sixth and first strings of a guitar are tuned to which note?

Answer: e

Question: Les Gray was the lead singer of which group?

Answer:
mud