Question: Who has won the most mens grand slams?
Answer: Roger Federer
Disambiguated annotations:
qaPairs: question: Who has won the most tennis mens grand slams in 2017?
answer: Rafael Nadal
Roger Federer
question: Who has won the most tennis mens grand slams in 2016?
answer: Novak Djokovic
question: Who has won the most tennis mens grand slams in 2015?
answer: Novak Djokovic
question: Who has won the most tennis mens grand slams in history?
answer: Roger Federer
question: Which amateur has won the most golf mens grand slams in history?
answer: Bobby Jones
question: Who has won the most golf mens grand slams in history?
answer: Jack Nicklaus