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.

[EX Q]: Who led the development of the ibm personal computer?
[EX A]: Who directed the team of employees in developing the IBM personal computer?

[EX Q]: When did the facebook messenger app come out?
[EX A]: When was the facebook messenger app originally developed as Facebook Chat?

[EX Q]: When did england last get to the quarter final of the world cup?
[EX A]:
When did england last get to the quarter final of the world cup and finish 7th?