In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
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Question: Who sang the theme song to petticoat junction?

Answer: Who sang the theme song to petticoat junction used on the original show?

Question: Who is playing in the cotton bowl 2017?

Answer: Who is playing in the cotton bowl in December 2017?

Question: When does attack on titan season 2 take place?

Answer:
When does attack on titan season 2 release originally take place?