TASK DEFINITION: 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.
PROBLEM: When did the original green lantern come out?

SOLUTION: When did the original green lantern comic book come out?

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

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

PROBLEM: How many countries are members of security council?

SOLUTION:
How many countries are permanent members of the United Nations Security Council after 1966?