Question: Who won last years ncaa mens basketball championship?
Disambiguated questions and answers: question: Who won the 2017 NCAA men's basketball Championship?
Who won the 2016 NCAA men's basketball Championship?
Who won the 2015 NCAA men's basketball Championship?
answer: North Carolina Tar Heels
Villanova Wildcats
Duke Blue Devils
Natural Questions answer: North Carolina (from the Wikipedia article "List of NCAA Division I men's basketball champions")