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.

[Q]: Most home runs in a single season by a player?
[A]: What is the most home runs in a single season by a player? 
 73


[Q]: When did o canada become canada's national anthem?
[A]: When was o canada first used as canada's national anthem?|When did "O Canada" become Canada's de facto national anthem? 
 1939


[Q]: When did amazon start charging state sales tax?
[A]:
When did first amazon start charging state sales tax? 
 May 2011