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 the first usb flash drive appear on the retail market?
When did the first usb flash drive appear on the global retail market?

Who wrote the song be still and know i am?
Who wrote the 2007 song based on Psalm 46:10 be still and know that i am?

When did the green bay packers play in milwaukee?

Over what time span did the green bay packers play some home games in milwaukee?