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: When was the national world war ii memorial built?

Answer: When did construction start on the national World War II memorial?


Question: Who was looking for a heart in the wizard of oz?

Answer: Who is the character that was looking for a heart in the wizard of oz?


Question: Who owns rehabilitation center at hollywood hills llc?

Answer:
Who owned The Rehabilitation Center at Hollywood Hills prior to 2015?