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:
How long does it take to cycle from lands end to john o'groats?
answer:
How long does it take most cyclists to cycle from lands end to john o'groats?


question:
Where does the movie the notebook take place?
answer:
Where does the 2004 film "The Notebook" take place?


question:
When was the chicken pox vaccine first given?
answer:

When did the Chicken Pox vaccine become commercially available?