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

Answer: e


Question: According to UNESCO, which Ethiopian city is considered 'the fourth holy city' of Islam with 82 mosques, three of which date from the 10th century, and 102 shrines?

Answer:
harar