instruction:
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.
question:
Dark side of the moon weeks on chart?
answer:
Dark side of the moon total number of weeks on billboard album chart?


question:
When is the nfl hall of fame game being played?
answer:
When was the NFL Hall of Fame game in 2017?


question:
What is the name of the currency used in france?
answer:

What is the name of the currency used in France, that is also used by other members of the European Union?