Question: Luca Hischier, is a Swiss ice hockey player currently playing with SC Bern of the National League (NL), internationally Hischier has represented Switzerland at the 2015 World Junior Championships, was the 39th edition of World Junior Ice Hockey Championship, played from December 26, 2014 to which date?
Sentence (from "2015 World Junior Ice Hockey Championships"): It was co-hosted by Toronto, Ontario and Montreal, Quebec, Canada, and organized by Hockey Canada, Hockey Quebec, the Ontario Hockey Federation, the Montreal Canadiens, Maple Leafs Sports and Entertainment and Evenko.
Relevant evidence: No