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: Who invented the system of latitudes and longitudes in 2nd century a.d?

SOLUTION: Who invented the system of latitudes and longitudes, measuring latitudes using the island of Rhodes in 2nd century a.d?

PROBLEM: Who played felix unger in the odd couple?

SOLUTION: Who played felix unger in the 1970 tv series the odd couple?

PROBLEM: When did the roosters win the last grand final?

SOLUTION:
When is the date did the roosters win the 2013 grand final?