Question: When did the ipad pro 12.9 inch come out?
Disambiguated questions and answers: question: When did the 1st Gen ipad pro 12.9 inch come out?
When did the 2nd Gen ipad pro 12.9 inch come out?
When did the 3rd Gen ipad pro 12.9 inch come out?
answer: November 11, 2015
June 13, 2017
November 7, 2018
Natural Questions answer: November 11 , 2015 (from the Wikipedia article "iPad Pro")