Question: When does the regular season of nhl start?
qaPairs: question: When does the 2017-2018 regular season of nhl start?
answer: October 4, 2017
question: When does the 2016-2017 regular season of nhl start?
answer: October 12, 2016
question: When does the 2015-2016 regular season of nhl start?
answer: October 7, 2015