In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.

[EX Q]: What is formed on top of continental crust?
[EX A]: What is formed on top of the continental crust known as continental shelves? 
 ocean waters

[EX Q]: Who won the last 20 over world cup?
[EX A]: What team won the 2016 Mens ICC World Twenty20? 
 West Indies

[EX Q]: When did they limit president to 2 terms?
[EX A]:
When did Congress approve the amendment to limit presidential terms to 2 terms? 
 March 24, 1947