Question: Who has won the australian grand prix this year?
Disambiguated questions and answers: question: Who has won the 2017 australian grand prix?
Who has won the 2016 australian grand prix?
Who has won the 2015 australian grand prix?
answer: Sebastian Vettel
Nico Rosberg
Nico Erik Rosberg
Lewis Carl Davidson Hamilton MBE HonFREng
Lewis Carl Davidson Hamilton
Lewis Hamilton
Natural Questions answer: Sebastian Vettel (from the Wikipedia article "Australian Grand Prix")