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?

Context articles: Nico Hischier
France men's national junior ice hockey team
2015 World Junior Ice Hockey Championships
Eduard Mazula
Luca Hischier
Ryan Bourque
Patric Della Rossa
Eldar Abdulayev
Olivier Keller
Nino Niederreiter

Nico Hischier (] ) (born 4 January 1999) is a Swiss ice hockey player currently playing for the New Jersey Devils of the National Hockey League (NHL).
 Hischier made his pro debut in his native Switzerland in 2015, spending time both in the top-tier National League A (NLA) and the second-tier National League B.
 He moved to North America for the 2016–17 season to play major junior hockey for Halifax in hopes of furthering his hockey career; in his first season in the QMJHL, he was named rookie of the year, along with the award for best rookie in the Canadian Hockey League (CHL), the governing body for major junior hockey in Canada.
 Internationally Hischier has represented Switzerland at several junior tournaments, including two World Junior Championships.
 Regarded as a top prospect for the 2017 NHL Entry Draft, Hischier was selected first overall by the Devils, the first time a Swiss player was selected first overall.
The French men's national under 20 ice hockey team is the national under-20 ice hockey team in France.
 The team represents France at the International Ice Hockey Federation's IIHF World U20 Championship's World Junior Hockey Championship Division I.
 France made their first and only appearance at the top level at the 2002 World Junior Championships, when the French team defeated the likes of Germany, Ukraine, Austria, Norway, Latvia, and Poland, all of whom would eventually or saw top division competition.
 France defeated Ukraine 2-1 to secure a spot among the 10 national junior teams competing at the 25th IIHF-sanctioned World Junior Hockey Championships held in Pardubice, Czech-Republic in 2001-02.
 France opened their first game against Canada and lost 15-0, which still stands as their largest margin of defeat.
 The French would never recover with losses to Russia (5-1), Finland (8-0), Switzerland (8-0).
 France would automatically be sent down to the relegation round with back-to-back games against Belarus.
 France won the first game 3-2, but would end up losing 4-2 the following game sending France packing back to Division I.
The 2015 IIHF World Junior Championships was the 39th edition of World Junior Ice Hockey Championship, played from December 26, 2014 to January 5, 2015.
 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.
 Games were split between Air Canada Centre in Toronto and Bell Centre in Montreal, with Montreal hosting Group A matches and two quarter finals, and Toronto hosting Group B, along with the relegation games, two quarter finals, along with the semi-finals, bronze medal, and gold medal games.
Edward Mazula (born March 21, 1990) is a professional ice hockey forward currently playing for the HC Arystan.
 He was a member of the Kazakhstan men's national junior ice hockey team at the 2009 World Junior Ice Hockey Championships as well as at the 2010 World Junior Ice Hockey Championships.
Luca Hischier (born 16 February 1995) is a Swiss ice hockey player currently playing with SC Bern of the National League (NL).
 Hischier, who played in both the junior system of Bern and his hometown EHC Visp, made his pro debut with Bern in 2013.
 Internationally Hischier has represented Switzerland at the 2015 World Junior Championships.
 Hischier's younger brother, Nico, was selected first overall in the 2017 NHL Entry Draft by the New Jersey Devils.
Ryan Bourque (born January 3, 1991) is an American ice hockey forward currently playing with the Bridgeport Sound Tigers of the American Hockey League (AHL).
 He is the son of Hockey Hall of Fame defenseman Ray Bourque and the brother of former NHL forward and teammate Chris Bourque.
 He was a 3rd round draft choice (80th overall) by the New York Rangers in the 2009 NHL Entry Draft.
 He has won four medals in International Ice Hockey Federation (IIHF) playing for the United States – a gold and a bronze medal in World Under 18 Ice Hockey Championship and a gold and a bronze medal in the World Junior Ice Hockey Championships.
 He is a fast, energetic, tenacious, versatile forward who is considered strong defensively, a smaller version of Ryan Kesler.
Patric Della Rossa (born July 28, 1975 in Winterthur, Switzerland) is a Swiss ice hockey player who currently plays for EHC Olten of the National League B (NLB).
 He has also represented the Switzerland men's national ice hockey team in the World Junior Championships, World Championships, and Olympics.
Eldar Rasimovich Abdulayev (Russian: Эльдар Расимович Абдулаев ; born January 20, 1985) is a Kazakhstani professional ice hockey forward currently playing for HC Astana in the Kazakhstan Hockey Championship.
 He was a member of the Kazakhstan men's national junior ice hockey team at the 2005 World Junior Ice Hockey Championships.
Olivier Keller (born March 20, 1971) is a former Swiss ice hockey player who currently played for several teams in the National League A.
 He represented the Switzerland men's national ice hockey team in the World Junior Ice Hockey Championships, World Championships, and Olympics.
Nino Niederreiter (born 8 September 1992), nicknamed El Niño, is a Swiss ice hockey player currently playing for the Minnesota Wild of the National Hockey League (NHL).
 He was selected fifth overall by the New York Islanders in the 2010 NHL Entry Draft, making him the highest-drafted Swiss hockey player in NHL history at the time until Nico Hischier was drafted first overall.
 Niederreiter made his NHL debut with the Islanders early in the 2010–11 season before being returned to his junior club, the Portland Winterhawks of the Western Hockey League (WHL).
 Prior to coming over to North America Niederreiter had played in the junior system of the Swiss team HC Davos, and appeared in three playoff games for the senior club in 2010.
 He was traded to the Minnesota Wild on 30 June 2013 for Cal Clutterbuck and a third round pick in the 2013 NHL Entry Draft.