Question: Manuel "Manny" Sobral, is a former boxer, competing in the welterweight (– 69 kg) division, a resident of Vancouver, British Columbia, he represented Canada at which event that took place in the "Chamshil Students' Gymnasium" in Seoul between September the 17th and October the 2nd in 1988?

Context articles: Jean Carlos Prada
Art Boileau
William Irwin (boxer)
Doyler Sánchez
Huang Shih-hsu
Manuel Sobral
Boxing at the 1988 Summer Olympics
Sara Neil
Fred Evans (boxer)
Zhang Guozheng

Jean Carlos Prada Pasedo (born August 4, 1984) is a male welterweight boxer from Venezuela, who represented his country at the 2004 Summer Olympics in Athens, Greece.
 He was defeated in the first round of the men's welterweight division (– 69 kg) by Uzbekistan's Sherzod Husanov on points: 20-33.
 He qualified for the Olympic Games by finishing in second place at the 2nd AIBA American 2004 Olympic Qualifying Tournament in Rio de Janeiro, Brazil.
Arthur Boileau (born October 9, 1957) is a long-distance runner, who represented Canada at two consecutive Summer Olympics in the men's marathon.
 At the 1984 Summer Olympics in Los Angeles, California he finished in 44th and four years later in Seoul, South Korea he placed 28th.
 He is a two-time winner of the Los Angeles Marathon, winning in both 1987 and 1989.
 Boileau also finished 2nd in the 1986 Boston Marathon.
 Born in Edmonton, Alberta, Boileau is currently a resident of North Vancouver, British Columbia.
William "Billy" 'The Kid' Irwin ( (1968--) 20 1968 (age (2017)-(1968)-((11)<(05)or(11)==(05)and(29)<(20)) ) ) born Niagara Falls, Ontario, is a retired Canadian amateur lightweight and professional light/light welter/welterweight boxer of the 1990s and 2000s who as an amateur won a bronze medal in the Boxing at the 1991 Pan American Games in Havana, Cuba, losing to eventual silver medal winner Patrice Brooks of the United States, represented Canada at the 1991 World Amateur Boxing Championships in Sydney, Australia losing to Julien Lorcy of France, and represented Canada at the 1992 Summer Olympics in Barcelona, Spain, he was stopped in the second round of the lightweight division (– 60 kg) by Ronald Chavez of the Philippines, and as a professional won the Canadian Professional Boxing Council (CPBC) lightweight title, Canada lightweight title, International Boxing Organization (IBO) lightweight title, World Boxing Council (WBC) Continental Americas lightweight title, and Commonwealth lightweight title, and was a challenger for the International Boxing Federation (IBF) lightweight title against Paul Spadafora, and World Boxing Association (WBA) World lightweight title against Juan Díaz, his professional fighting weight varied from 133+1/2 lb , i.e. lightweight to 142 lb , i.e. welterweight.
 He retired from boxing after losing to Juan Diaz in 2005, his second unsuccessful world title challenge.
 His final record was 42(30)–6–0.
Doyler Eustoquio Sánchez Guerrero (born 12 October 1988 in Cúcuta, Colombia) is a Colombian weightlifter.
 He competed in the 69 kg event at the 2012 Summer Olympics and finished 14th.
 Sánchez won the bronze in the 69kg event of the 2011 Pan American Games.
Huang Shih-hsu (born 30 November 1975 in Pingtung, Taiwan, old name: Huang Shih-chun and Huang Pei-yi) is a Taiwanese weightlifter representing Chinese Taipei.
 She participated at the 2010 Asian Games in the 69 kg event finishing 5th.
 She competed at the 2012 Summer Olympics in the -69 kg event, finishing in 7th place.
 At the same event in the 2014 Asian Games, she claimed third place.
Manuel "Manny" Sobral (born September 12, 1968 in Galicia, Spain) is a former boxer, competing in the welterweight (– 69 kg) division.
 A resident of Vancouver, British Columbia, he represented Canada at the 1988 Summer Olympics in Seoul, South Korea, where he was eliminated by Olympic Bronze medallist Finland's Joni Nyman on points (1:4).
 He has taught at Burnaby North Secondary School.
Boxing at the 1988 Summer Olympics took place in the "Chamshil Students' Gymnasium" in Seoul between September the 17th and October the 2nd.
 Twelve men's individual boxing events were contested, attended by 441 athletes and 159 officials from 106 countries.
 Cuba boycotted the 1988 Olympics which impacted the competition.
 The events were also notable for the controversial decision in the light middleweight championship bout between Roy Jones Jr. and Park Si-Hun and also for referee Keith Walker being attacked in the ring post fight after the Jong-Il Byun and Aleksandar Khristov bout.
Sara Louise Neil (born 2 September 1960) is a Canadian retired road bicycle racer, who won the bronze medal in the women's individual road race at the 1987 Pan American Games.
 A resident of Vancouver, British Columbia, she represented Canada at the same event at the 1988 Summer Olympics, finishing in 39th place.
 She has two daughters.
 She now teaches physical education at Lord Byng Secondary in Vancouver, British Columbia.
Fred Evans (born 4 February 1991) is a Welsh professional boxer who represented Great Britain, fighting in the 69 kg welterweight category.
 He won gold for Wales at the 2011 European Amateur Boxing Championships in Ankara and had previously won gold at the 2007 World Cadet Championships in Hungary.
 He was ranked sixth in the world at 69 kg and became the first Welsh boxer to qualify for the 2012 Olympic Games at 2011 World Amateur Boxing Championships in Baku, Azerbaijan.
Zhang Guozheng (; born September 14, 1974 in Shunchang, Nanping, Fujian) is a Chinese weightlifter.
 Zhang is a World champion, Olympic champion and World Record holder.
 In January, 1999, Zhang Guozheng was named a member of the National Men's weightlifting team.
 He ranked fourth at the Sydney Olympic Games in 2000 in the 69 kg class.
 On October 3, 2002, at the Busan Asian Games, Zhang Guozheng took gold in the 69 kg class with a total score of 345 kilograms.
 In 2004, Zhang Guozeng won the Athens Olympic Games in the 69 kg class champion.
 On December 3, 2006, at the 15th Asian Games, Zhang Guozheng totaled 336 kg for a gold medal with a 152 kg snatch and a 184 kg clean and jerk.
 Zhang retired after 2008 and now serves as the deputy head coach for the men's weightlifting team.