Question: The hockey club that hosted the 2003 Spengler Cup plays in which league?

full_context: Document 1: Spengler Cup: The Spengler Cup is an annual invitational ice hockey tournament held in Davos, Switzerland. First held in 1923, the Spengler Cup is often cited as the oldest invitational ice hockey tournament in the world. The event is hosted by the Swiss team HC Davos and played each year in Davos, Switzerland, between Christmas (December 25) and New Year's Day. Currently, all games are held at Vaillant Arena.
Document 2: 1953 Canada Cup: The 1953 Canada Cup took place June 2–3 at the Beaconsfield Golf Club in Montreal, Quebec, Canada. It was the first Canada Cup event, which became the World Cup in 1967. The tournament was a 36-hole stroke play team event with 7 teams. Each team consisted of two players from a country, except that South African Bobby Locke and Englishman Harry Weetman played as a team. The combined score of each team determined the team results. Play was in pairs, two players from different countries. The Argentine team of Antonio Cerdá and Roberto De Vicenzo won by ten strokes over the Canadian team of Bill Kerr and Stan Leonard. Antonio Cerdá had the lowest individual score. The tournament was sponsored by John Jay Hopkins.
Document 3: 2003 Solheim Cup: The 2003 Solheim Cup was the eighth Solheim Cup, held 12–14 September 2003 at Barsebäck Golf & Country Club in Loddekopinge, Skåne, Sweden. This was the first time the European team hosted outside of the United Kingdom.
Document 4: MLS Cup 2003: MLS Cup 2003, the eighth edition of Major League Soccer's championship match, was played between the Chicago Fire and the San Jose Earthquakes to decide the champion of the 2003 season. The match took place at The Home Depot Center in Carson, California on November 23, 2003. San Jose defeated Chicago 4–2 with a goal from Richard Mulrooney in the 50th minute. It was San Jose's second MLS Cup victory in three years. It was the first MLS Cup in which players from both teams were allowed to wear their primary uniforms. It was also the first MLS Cup played between two former MLS Cup champions as well as the highest-scoring final, with 6 goals in total.
Document 5: 2014 Spengler Cup: The 88th Spengler Cup was an ice hockey competition held in Davos, Switzerland between 26 and 31 December 2014. All matches were played at HC Davos's home known as Vaillant Arena. Six competing teams were split into two groups of three (in the round-robin series). The two groups, named Torriani and Cattini, were named after legendary Swiss hockey players Richard 'Bibi' Torriani and the Cattini brothers, Hans and Ferdinand.
Document 6: 2012 Spengler Cup: The 2012 Spengler Cup was held in Davos, Switzerland between 26 and 31 December 2012. All matches were played at HC Davos's home known as Vaillant Arena. Six competing teams were split into two groups of three. The two groups, named Torriani and Cattini, were named after legendary Swiss hockey players Richard 'Bibi' Torriani and the Cattini brothers, Hans and Ferdinand.
Document 7: 2010 Spengler Cup: The 2010 Spengler Cup was held in Davos, Switzerland, between 26 and 31 December 2010. All matches were played at host HC Davos's home Vaillant Arena. The number of teams was expanded from five to six in comparison to previous seasons, and split into two groups of three. The two groups, named Torriani and Cattini, were named after legendary Swiss hockey players Bibi Torriani and Hans Cattini.
Document 8: HC Davos: Hockey Club Davos is a professional Swiss ice hockey club based in Davos, Switzerland. Davos plays in the National League (NL). The team is usually a strong force in the league and often bolster their roster with Swiss national team players and players who once played for National Hockey League teams. HC Davos also has hosted the annual Spengler Cup tournament, an invitational competition, since 1923.
Document 9: Vaillant Arena: Vaillant Arena (Eisstadion Davos) is an arena in Davos, Switzerland. It is primarily used for ice hockey and is the home arena of HC Davos. It holds 7,080 people, of which 3,280 are seated. Every year the Spengler Cup is played in this arena.
Document 10: 2011 Spengler Cup: The 2011 Spengler Cup was held in Davos, Switzerland between 26 and 31 December 2011. All matches were played at host HC Davos's home Vaillant Arena. The number of teams was expanded in 2010 from 5 to 6 in comparison to previous seasons, and split into two groups of three. The two groups, named Torriani and Cattini, were named after legendary Swiss hockey players Bibi Torriani and Hans Cattini. HC Davos won the event for a record 15th time.
Document 11: 2003 Spengler Cup: The 2003 Spengler Cup was held in Davos, Switzerland between December 26, 2003 and December 31, 2003. All matches were played at host HC Davos's home Eisstadion Davos. The final was won 7-4 by Team Canada over host HC Davos.
Document 12: 2016 Spengler Cup: The 90th Spengler Cup was an ice hockey competition being held in Davos, Switzerland between 26 and 31 December 2016. All matches were played at HC Davos's home known as Vaillant Arena. Six competing teams were split into two groups of three (in the round-robin series). The two groups, named Torriani and Cattini, are named after legendary Swiss hockey players Richard 'Bibi' Torriani and the Cattini brothers, Hans and Ferdinand.
Document 13: 2015 Spengler Cup: The 89th Spengler Cup was an ice hockey competition held in Davos, Switzerland between 26 and 31 December 2015. All matches were played at HC Davos's home known as Vaillant Arena. Six competing teams were split into two groups of three (in the round-robin series). The two groups, named Torriani and Cattini, are named after legendary Swiss hockey players Richard 'Bibi' Torriani and the Cattini brothers, Hans and Ferdinand.
Document 14: 2009 Spengler Cup: The 2009 Spengler Cup was held, as it always was, in Davos, Switzerland between 26 and 31 December, 2009. All matches were played at host HC Davos's home Vaillant Arena. The tournament featured all of the last year's tournament participants except for last year's winners Dynamo Moscow who was replaced by Dinamo Minsk and ERC Ingolstadt who was replaced by Adler Mannheim.
Document 15: 2013 Spengler Cup: The 2013 Spengler Cup was held in Davos, Switzerland between 26 and 31 December 2013. All matches were played at HC Davos's home known as Vaillant Arena. Six competing teams were split into two groups of three. The two groups, named Torriani and Cattini, were named after legendary Swiss hockey players Richard 'Bibi' Torriani and the Cattini brothers, Hans and Ferdinand.
ground_truth: National League