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]: Who has won the most tennis major titles?
[EX A]: Who has won the most men's singles tennis major titles? 
 Roger Federer

[EX Q]: Who presides over the joint sitting of the two houses of parliament?
[EX A]: Who primarily presides over the joint sitting of the two houses of parliament? 
 Speaker of the Lok Sabha

[EX Q]: When did the beatles stop touring and why?
[EX A]:
When did the Beatles stop touring? 
 1966