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]: Who is rated the best goalkeeper in the world?
[A]: According to IFFHS and FIFA, who is rated the best goalkeeper in the world in 2017? 
 Gianluigi "Gigi" Buffon


[Q]: What is the largest coin in the us?
[A]: What is the largest coin ever minted in the us? 
 gold "Half Union" pattern in 1877


[Q]: Who won the 2018 formula 1 australian grand prix tournament?
[A]:
Which driver won the 2018 formula 1 australian grand prix tournament? 
 Sebastian Vettel