In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
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Question: Who's the best selling artist of all time?

Answer: The Beatles


Question: When did the drummer of def leppard lose his arm?

Answer: 31 December 1984


Question: What is the name of the remote eastern area of russia?

Answer:
Russian far east