Question: When did the cubs win the world series?
Disambiguated questions and answers: question: When did the Chicago Cubs win their first World Series?
When did the Chicago Cubs win second World Series?
When did the Chicago Cubs win their third World Series?
answer: October 12, 1907
1907
October 14, 1908
1908
November 2, 2016
2016
Natural Questions answer: 2016 (from the Wikipedia article "2016 World Series")