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]: When was the carbon tax introduced in canada?
[A]: When was the first carbon tax introduced in a canadian territory? 
 June 2007


[Q]: When do the interns become residents in grey's anatomy?
[A]: What is the name of the episode in which interns become residents in Grey's anatomy? 
 A Change is Gonna come


[Q]: Who has won the last 10 world series?
[A]:
Who won the 2017 MLB World Series? 
 Houston Astros