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: Which John Legend song knocked Pharell Willams completely off the No.1 spot on the US Billboard?

Answer: all of me


Question: What country is home to Kenai Fjords National Park?

Answer: united states


Question: Isfahan is a major city in which country?

Answer:
iran