Question: Who won the men's college basketball championship last year?
qaPairs: question: What team won the 2017 NCAA Championship?
answer: North Carolina
question: What team won the 2016 NCAA Championship?
answer: Villanova
question: What team won the 2015 NCAA Championship?
answer: Duke
question: What head coach won the 2017 NCAA Championship?
answer: Roy Williams
question: What head coach won the 2016 NCAA Championship?
answer: Jay Wright
question: What head coach won the 2015 NCAA Championship?
answer: Mike Krzyzewski