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?

full_context: Document 1: 2013 Memorial Cup: The 2013 Memorial Cup was a four-team, round-robin format ice hockey tournament played from May 17–26, 2013. It was the 95th Memorial Cup championship and determined the champion of the Canadian Hockey League (CHL). The tournament featured the London Knights, champions of the Ontario Hockey League, the Halifax Mooseheads, champions of the Quebec Major Junior Hockey League, the Portland Winterhawks, champions of the Western Hockey League, and the Saskatoon Blades, who won the right to host the tournament over bids by the Kelowna Rockets and the Red Deer Rebels. This was the first Memorial Cup to be held in Saskatoon since the Blades hosted it in 1989. The Halifax Mooseheads won the Memorial Cup for the first time in franchise history, beating the Portland Winterhawks 6-4 in the final. The Halifax Mooseheads joined the Saint John Sea Dogs in 2011, and the Shawinigan Cataractes in 2012, as the third straight team from the QMJHL to capture the trophy.
Document 2: Nick Ritchie: Nicholas Ritchie (born December 5, 1995) is a Canadian professional ice hockey forward currently playing with the Anaheim Ducks in the National Hockey League (NHL). Ritchie was selected by the Ducks in the first round (10th overall) of the 2014 NHL Entry Draft. His older brother, Brett Ritchie, was drafted by the Dallas Stars in the 2011 NHL Entry Draft.
Document 3: Nino Niederreiter: 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.
Document 4: 2015 Pan American Games: The 2015 Pan American Games, officially the XVII Pan American Games and commonly known as the Toronto 2015 Pan-Am Games (French: "Jeux panaméricains de 2015 à Toronto" ), were a major international multi-sport event celebrated in the tradition of the Pan American Games, as governed by Pan American Sports Organization (PASO). The games were held from July 10 to 26, 2015 in Toronto, Ontario, Canada; preliminary rounds in certain events began on July 7, 2015. These were the third Pan American games hosted by Canada, and the first in the province of Ontario. The Games were held at venues in Toronto and seventeen other Golden Horseshoe communities. The Pan American Games and 2015 Parapan American Games were organized by the Toronto Organizing Committee for the 2015 Pan and Parapan American Games (TO2015).
Document 5: Jack Eichel: Jack Robert Eichel (born October 28, 1996) is an American professional ice hockey centre. He currently plays for the Buffalo Sabres of the National Hockey League. Eichel was selected second overall in the 2015 NHL Entry Draft by the Buffalo Sabres. Described at the age of 17 as "the new face of American hockey," Eichel is considered a member of a rising class of generational talents in the sport, along with Connor McDavid.
Document 6: 2014 World Junior Ice Hockey Championships: The 2014 IIHF World Junior Championship (formerly called the IIHF U20 World Championship) was the 38th World Junior Ice Hockey Championships (WJHC), hosted in Malmö, Sweden. The 13,700-seat Malmö Arena was the main venue, with the smaller Malmö Isstadion the secondary venue. It began on December 26, 2013, and ended with the gold medal game on January 5, 2014.
Document 7: Luca Hischier: 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.
Document 8: 2017 NHL Entry Draft: The 2017 NHL Entry Draft was the 55th NHL Entry Draft. The draft was held from June 23–24, 2017, at the United Center in Chicago, Illinois. The first three selections were Nico Hischier, Nolan Patrick and Miro Heiskanen.
Document 9: 2015 IIHF World Championship Final: The 2015 IIHF World Championship Final was played at the O2 Arena in Prague, Czech Republic, on 17 May 2015 between Canada and Russia. The game started at 20:45 local time (). It was the third time since the dissolution of the Soviet Union in 1991 that Russia and Canada met in the IIHF World Championship Final. Canada got on the board first, scoring late in the first period. They proceeded to dominate the second period, outshooting Russia 14–1 and scoring three goals. Canada added two goals in the third period before Russia scored one to make the final score 6–1.
Document 10: 2015 World Junior Ice Hockey Championships: 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.
Document 11: 2015 CIS Men's Basketball Championship: The 2015 CIS Men's Final 8 Basketball Tournament was held March 12–15, 2015, in Toronto, Ontario. It was hosted by Ryerson University at the Mattamy Athletic Centre at the Gardens, marking the first time Ryerson had hosted, and the first time the tournament had been played in Toronto in its 53-year history. The 2015 tournament saw gold, silver and bronze medals awarded, respectively, to Carleton, Ottawa, and Ryerson. Carleton accepted the W. P. McGee Trophy, awarded to the national champions. This marked the fifth straight national title for Carleton—its 11th in 13 years—and the first team in CIS history to win 11 national championships.
Document 12: Erik Brännström: Erik Brännström (born 2 September 1999) is a Swedish professional ice hockey defenseman. He is currently playing with HV71 of the Swedish Hockey League (SHL) as a prospect to the Vegas Golden Knights of the National Hockey League (NHL). His older brother, Isac Brännström, is also an SHL player, currently with HV71. He was selected 15th overall by the Golden Knights in the 2017 NHL Entry Draft, Vegas' third pick of the first round.
Document 13: Reto Berra: Reto Berra (born January 3, 1987) is a Swiss professional ice hockey goaltender who is currently under contract to the Anaheim Ducks of the National Hockey League (NHL). Berra played seven seasons in Switzerland's National League A, spending time with the GCK Lions, HC Davos and SCL Tigers before joining EHC Biel in 2009 where he was the team's starting goaltender for four years. He was an NHL draft pick of the St. Louis Blues, selected in the fourth round of the 2006 NHL Entry Draft and was traded to the Calgary Flames, with whom he made his NHL debut in 2013–14. Internationally, Berra has played with the Swiss National Team on several occasions; he has appeared in two World Championships. At the 2013 tournament, he shared goaltending duties with Martin Gerber and helped lead Switzerland to a silver medal, the nation's first medal in 60 years.
Document 14: 2015 FIFA Women's World Cup: The 2015 FIFA Women's World Cup was the seventh FIFA Women's World Cup, the quadrennial international women's football world championship tournament. In March 2011, Canada won the right to host the event, the first time the country would host the tournament and the third time it has been held in North America. Matches were played in six cities across Canada in five time zones. The tournament began on 6 June 2015, and finished with the finals on 5 July 2015 with a United States victory over Japan.
Document 15: Nico Hischier: 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.
ground_truth: January 5, 2015