Question:  Choi Jae-bong, is a South Korean speed skater who represented his country at the 1998 Winter Olympics, celebrated from 7 to 22 February 1998 in what country?

full_context: Document 1: 1998 Winter Olympics: The 1998 Winter Olympics, officially the , was a winter multi-sport event celebrated from 7 to 22 February 1998 in Nagano, Japan.
Document 2: 2005 Special Olympics World Winter Games: The 2005 Special Olympics Winter World Games were hosted at Nagano in Japan and were the first Special Olympics World Games held in Asia. Nagano became the first city in the world to host the Olympics, Paralympics and Special Olympics World Games.
Document 3: 2002 Winter Olympics: The 2002 Winter Olympics, officially the XIX Olympic Winter Games and commonly known as Salt Lake 2002, were a winter multi-sport event that was celebrated from 8 to 24 February 2002 in and around Salt Lake City, Utah, United States. Approximately 2,400 athletes from 78 nations participated in 78 events in fifteen disciplines, held throughout 165 sporting sessions. The 2002 Winter Olympics and the 2002 Paralympic Games were both organized by the Salt Lake Organizing Committee (SLOC). Utah became the fifth state in the United States to host the Olympic Games, and the 2002 Winter Olympics are the most recent games to be held in the United States until the 2028 Summer Olympics will be hosted in Los Angeles in 2028. These were the first Olympic Games under the IOC presidency of Jacques Rogge.
Document 4: 1994 Winter Olympics: The 1994 Winter Olympics (Norwegian: "Olympiske vinterleker 1994" ), officially known as the XVII Olympic Winter Games (French: Les "XVIIes Jeux olympiques d'hiver"), was a winter multi-sport event celebrated from 12 to 27 February 1994 in and around Lillehammer, Norway. Lillehammer failed to win the bid for the 1992 event, losing to Albertville respectively. Lillehammer was awarded the 1994 Winter Olympics in 1988, after beating Anchorage, United States; Östersund, Sweden; and Sofia, Bulgaria. Lillehammer is the northernmost city to ever host the Winter Games. The Games were the first to be held in a different year from the Summer Olympics, the first and only one to be held two years after the previous winter games, and the most recent to be held in a small town. The Games were the second Winter Olympics hosted in Norway, after the 1952 Winter Olympics in Oslo, and the fourth Olympics in the Nordic countries, after the 1912 Summer Olympics in Stockholm, Sweden, and the 1952 Summer Olympics in Helsinki, Finland.
Document 5: 2010 Winter Olympics: The 2010 Winter Olympics, officially known as the XXI Olympic Winter Games (French: Les "XXIes Jeux olympiques d'hiver") and commonly known as Vancouver 2010, informally the 21st Winter Olympics, were a major international multi-sport event held from February 12 to 28, 2010, in Vancouver, Canada, with some events held in the surrounding suburbs of Richmond, West Vancouver and the University Endowment Lands, and in the nearby resort town of Whistler. Approximately 2,600 athletes from 82 nations participated in 86 events in fifteen disciplines. Both the Olympic and Paralympic Games were organized by the Vancouver Organizing Committee (VANOC), headed by John Furlong. The 2010 Winter Olympics were the third Olympics hosted by Canada and the first by the province of British Columbia. Previously, Canada hosted the 1976 Summer Olympics in Montreal, Quebec, and the 1988 Winter Olympics in Calgary, Alberta. Vancouver is the largest city to host the Winter Olympics, a title soon to be turned over to Beijing in 2022.
Document 6: Yu Jing: Yu Jing (; born 29 May 1985) is a Chinese long-track speed-skater who specializes in the sprint distances. She became the World Sprint Champion in 2012, setting world records in both the sprint combination and the 500 metres. She held the world record in the sprint combination until Heather Richardson bettered it in January 2013, and the world record in 500 metres until Lee Sang-hwa broke it in November 2013. The time, 36.94 seconds, was the Chinese record until broken by Zhang Hong in November 2015.
Document 7: 2008 Summer Olympics: The 2008 Summer Olympic Games, officially known as the Games of the XXIX Olympiad () and commonly known as Beijing 2008, was a major international multi-sport event that took place in Beijing, China, from 7 to 24 August 2008. A total of 10,942 athletes from 204 National Olympic Committees (NOCs) competed in 28 sports and 302 events (a total of one event more than the schedule of the 2004 Games). China became the 22nd nation to host the Olympic Games and the 18th to hold a Summer Olympic Games. It was the third time that the Summer Olympic Games were held in East Asia and Asia, after Tokyo, Japan, in 1964 and Seoul, South Korea, in 1988.
Document 8: Winter Olympic Games: The Olympic Winter Games (official name) (French: "Jeux olympiques d'hiver" ) is a major international sporting event held once every four years, for sports practised on snow and ice. The first Winter Olympics, the 1924 Winter Olympics, was held in Chamonix, France. The original five sports (broken into nine disciplines) were bobsleigh, curling, ice hockey, Nordic skiing (consisting of the disciplines military patrol, cross-country skiing, Nordic combined, and ski jumping), and skating (consisting of the disciplines figure skating and speed skating). The Games were held every four years from 1924 to 1936, interrupted in 1940 and 1944 by World War II, and resumed in 1948. Until 1992 the Winter and Summer Olympic Games were held in the same years, but in accordance with a 1986 decision by the International Olympic Committee (IOC) to place the Summer and Winter Games on separate four-year cycles in alternating even-numbered years, the next Winter Olympics after 1992 was in 1994.
Document 9: Boldyn Sansarbileg: Boldyn Sansarbileg (Mongolian: Болдын Сансарбилэг ; born April 12, 1976 in Beijing, China) is a Mongolian short track speed skater. Sansarbileg represented Mongolia at the 1998 Winter Olympics in Nagano along with fellow short track speed skater Battulgyn Oktyabri. Sansarbileg, the flagbearer for Mongolia at the Olympics, competed at the men's 1000 metres and placed 4th in his heat without advancing to the second round. He placed 29th of the 30 skaters to have competed in the 1000 m event, finishing the distance in a time of 1:39.913.
Document 10: 1994 Winter Olympics closing ceremony: The 1994 Winter Olympics closing ceremony was held in Lysgårdsbakken in Lillehammer, Norway on 27 February 1994. All spectators were handed a flashlight with the inscription "Remember Sarajevo"—the host of the 1984 Winter Olympics which was at the heart of the Bosnian War. The first entrants on the stage were Liv Ullmann and Thor Heyerdal, followed by the athletes' precession. After the flag had been transferred to Nagano mayor Tasuka Tsukada, speeches were held by Lillehammer mayor Audun Tron, Gerhard Heiberg and Juan Antonio Samaranch. The latter used his speech to remind about Sarajevo's situation, before giving Heiberg IOC's gold medal, and declaring the games "the best Olympic Winter Games ever". Artistic presentations followed with many of the themes from the opening ceremony. The 1998 Winter Olympics' mascots, the Snowlets, was also presented. Of the 2,200 people performing in the opening and closing ceremonies, only 50 were professionals. The Anthems of Greece, Norway, and Japan were heard there.
Document 11: Choi Jae-bong: Choi Jae-bong (Korean: 최재봉, Hanja: 崔財鳳, born 19 June 1980) is a South Korean speed skater. He represented his country at the 1998 Winter Olympics in Nagano. At that time he was the holder of the junior World record at 1500 m, set in early December 1997 in Thialf, Heerenveen, where he clocked 1:52.25 to break the record. In Nagano where he finished in 12th position he broke his own world junior record to a new best time of 1:51.47, which was 0.78 of a second faster. He also finished in 29th position at the 5000 m. In November 1998 he broke the junior world record over 500 m into a new time of 36.30 in Calgary and a day later he broke his own 1500 m record again, this time 1:49.71 was his new best time. Due to these records and some other decent results in that same weekend he also broke the junior world record for the small allround classification to 153.689 points. That same season he won the bronze medal at the World Junior Allround Championships and broke another two world records. He set 1:10.87 at the 1000 m in February 1999 and a total of 143.965 points for the sprint classification again in Calgary.
Document 12: Chang Gyu-cheol: Chang Gyu-Cheol (also "Jang Gyu-Cheol", Korean: 장 규철 ; born June 11, 1992 in Gyeonggi-do) is a South Korean swimmer, who specialized in butterfly events. In 2010, Chang edged out South Africa's Chad le Clos by 0.18 of a second to claim a gold medal in the 100 m butterfly at the first ever Summer Youth Olympics in Singapore, posting his personal best of 53.13. He also won a silver medal, as a member of the South Korean swimming team, in the men's medley relay at the 2010 Asian Games in Guangzhou, China.
Document 13: Lee Seung-hoon: Lee Seung-hoon (Hangul: 이승훈, Hanja: 李承勳, ] ; born 6 March 1988) is a South Korean speed skater. He won a gold medal in the 10000 metres, a silver medal in the 5000 meters at the 2010 Winter Olympics, becoming the first Asian man to ever achieve these feats, and a gold medal in the mass start at the 2016 World Championships in Kolomna. He was a short track speed skater, winning the 2008 World Championship 3000 m super-final and three gold medals at the 2009 Winter Universiade. Lee converted to long track in September 2009, as he failed to earn his spot on the South Korea national short track team in the national trials.
Document 14: Lee June-hyoung: Lee June-hyoung (Hangul:이준형) (born October 28, 1996) is a South Korean figure skater. He is the 2014 JGP France champion and a three-time South Korean national champion (2013, 2015, 2016). He is the first South Korean male figure skater who stood on the podium and won gold at ISU events. Also, he is the first Korean male skater to qualify for the ISU Junior Grand Prix Final.
Document 15: Noh Seon-yeong: Noh Seon-yeong (Hangul: 노선영, born 19 October 1989) is a South Korean speed skater. She represented her country at the 2006 edition, 2010 edition and 2014 edition of Winter Olympics. She won the gold medal at the 2007 World Junior Speed Skating Championships. She is the sister of late short track speed skater Noh Jin-Kyu.
ground_truth: Japan