Question: Who won the us open men’s and women’s singles in 2017?
Disambiguated questions and answers: question: Who won the us open men’s singles in 2017?
Who won the us open women’s singles in 2017?
answer: Rafael Nadal
"Rafa"
Rafael "Rafa" Nadal Parera
Rafael Nadal Parera
Sloane Stephens
Natural Questions answer: Sloane Stephens
Rafael Nadal (from the Wikipedia article "2017 US Open (tennis)")