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: Omega is the last letter of the Greek alphabet, which is the penultimate letter?

Answer: psi


Question: Whose comic characters include 'Kevin Patterson', 'Julio Geordio' and 'Tim Nice-But-Dim'?

Answer: harry enfield


Question: By the end of 2012, what was Justin Biebers highest charting single in the US?

Answer:
boyfriend