You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).
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Question: concept: Herbert Hoover answers: ['3/4/1929']

Answer: when did herbert hoover become president?

Question: concept: Washington United States answers: ['Greyhound Lines', 'Peter Pan Bus Lines']

Answer: where is greyhound station in washington dc?

Question: concept: Russia answers: ['Uzbekistan']

Answer:
who were the major trade partners of russia?