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.

When did motown the musical open on broadway?
When did motown the musical start previews on broadway?

When did the astros last play in the world series?
When did the Astros play in the World Series for the first time?

Who played oscar in the odd couple tv show?

Who played Oscar in the 1970 TV series The Odd Couple?