Question: When did new south wales last win the state of origin?
Disambiguated questions and answers: question: When did new south wales last win the state of origin as of the end of 2017?
When did new south wales last win the state of origin as of the end of 2016?
When did new south wales last win the state of origin as of the end of 2015?
answer: May 31, 2017
July 13, 2016
June 17, 2015
question: As of the end of 2017, when did new south wales last win the state of origin?
As of the end of 2016, when did new south wales last win the state of origin?
As of the end of 2015, when did new south wales last win the state of origin?
answer: May 31, 2017
July 13, 2016
June 17, 2015
Natural Questions answer: 2018 (from the Wikipedia article "State of Origin series")