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 was the wreck of the titanic found?

SOLUTION: On what date was the wreck of the Titanic found?

PROBLEM: When did gender testing of female olympic athletes begin?

SOLUTION: When did gender testing of female olympic athletes first begin?

PROBLEM: When did the ipad 1st gen come out?

SOLUTION:
When did the ipad 1st gen come out in United States as Wi-Fi variant?