Question: What did Sisomphone Vongpharkdy do at the 2000 Summer Olympics opening ceremony as mandated by the Olympic Charter?

full_context: Document 1: Sarah Tondé: Sarah Tondé (born 30 October 1983) is a Burkinabé track and field athlete who specializes in the Women's 100 metres and Women's 200 metres events. She competed at the 2000 Summer Olympics in the Women's 100 metres event at the age of 16, where she finished in 8th place at 12.56 seconds. She was also the flag bearer of Burkina Faso during the 2000 Summer Olympics opening ceremony.
Document 2: Laure Kuetey: Laure Isabelle Kuetey (born 6 March 1971) is a Beninese sprinter who specializes in the Women's 100 meters and the Women's 200 metres events. She competed at the 200 metres event in the 1996 Summer Olympics, and the 100 metres event in the 1992 and 2000 Summer Olympics respectively. In addition, she was also the flag bearer for Benin in the 1996 and 2000 Summer Olympics opening ceremony.
Document 3: 1984 Summer Olympics opening ceremony: The opening ceremony of the 1984 Summer Olympic Games took place on the evening of Friday 28 July in the Los Angeles Memorial Coliseum, Los Angeles. As mandated by the Olympic Charter, the proceedings combined the formal ceremonial opening of this international sporting event (including welcoming speeches, hoisting of the flags and the parade of athletes) with an artistic spectacle to showcase the host nation's culture. The 1984 Games were formally opened by President Ronald Reagan. The spectacle was in front of 92,516 attendants. The ceremony was a $5 million production and titled Music of America.
Document 4: Philip Sinon: Philip Sinon is a Seychellois Olympic middle-distance runner. He represented his country in the men's 1500 meters and the men's 800 meters at the 1984 Summer Olympics. His time was a 4:25.80 in the 1500, and a 2:04.89 in the 800 heats.
Document 5: 2012 Summer Olympics opening ceremony: The opening ceremony of the 2012 Summer Olympic Games took place on the evening of Friday 27 July in the Olympic Stadium, London. As mandated by the Olympic Charter, the proceedings combined the formal ceremonial opening of this international sporting event (including welcoming speeches, hoisting of the flags and the parade of athletes) with an artistic spectacle to showcase the host nation's culture. The 2012 Games were formally opened by Queen Elizabeth II. The spectacle was entitled Isles of Wonder and directed by Academy Award-winning British film director Danny Boyle.
Document 6: Opening ceremony: An opening ceremony, grand opening, or ribbon-cutting ceremony marks the official opening of a newly-constructed location or the start of an event. Opening ceremonies at large events such as the Olympic Games, FIFA World Cup, and the Rugby World Cup might have an opening ceremony that involves thousands of participants and is watched worldwide.
Document 7: 2006 Asian Games opening ceremony: The 2006 Asian Games Opening Ceremony was held in Doha, Qatar on 1 December 2006 to mark the start of the 15th Asian Games. The ceremony took place in the multi-purpose Khalifa International Stadium, which was specifically renovated for the Asian Games. The ceremony was attended by over 50,000 spectators, as well as approximately 20,000 athletes and performers. Several Asian heads-of-state and the President of the International Olympic Committee Jacques Rogge were in attendance. The officials and organizers of the ceremony promised it to be the most spectacular opening ceremony in recent years. The Opening Ceremony was described by the media to be one of the most breath-taking and technologically spectacular multi-sports event ceremony, and the most expensive multi-sports event ceremony (including both Opening and Closing ceremonies) in the history of Asian Games.
Document 8: Sisomphone Vongpharkdy: Sisomphone Vongpharkdy (born 5 December 1977) is a Laotian runner who competed at the 1996 and 2000 Summer Olympics in the 4 × 100 metres relay and the 100m event respectively. He was the flag bearer of Laos during the 2000 Summer Olympics opening ceremony.
Document 9: 1992 Summer Olympics opening ceremony: The opening ceremony of the 1992 Summer Olympics took place in the evening on Saturday 25 July in the Estadi Olímpic Lluís Companys, Barcelona, Spain. As mandated by the Olympic Charter, the proceedings combined the formal and ceremonial opening of this international sporting event, including welcoming speeches, hoisting of the flags and the parade of athletes, with an artistic spectacle to showcase the host nation’s culture and history.
Document 10: 2000 Summer Olympics opening ceremony: The opening ceremony of the 2000 Summer Olympic games took place on Friday 15 September in Stadium Australia. As mandated by the Olympic Charter, the proceedings combined the formal and ceremonial opening of this international sporting event, including welcoming speeches, hoisting of the flags and the parade of athletes, with an artistic spectacle to showcase the host nation’s culture and history. For Sydney 2000, the Games were formally opened by Governor-General Sir William Deane. The ceremony was described by IOC President Juan Antonio Samaranch as the most beautiful ceremony the world has ever seen. It also represented several highlights of Australian culture and history, from sea creatures and flora/fauna to lawn mowers and other Australian cultural icons. The Opening Ceremony had a cast of 12,687 people who took part in the ceremony. Consistent with normal major production management, the music was pre-recorded under studio conditions to ensure its quality.
Document 11: 2000 Summer Olympics: The 2000 Summer Olympic Games, officially known as the Games of the XXVII Olympiad and commonly known as Sydney 2000 or the Millennium Olympic Games/Games of the New Millennium, were an international multi-sport event which was held between 15 September and 1 October 2000 in Sydney, New South Wales, Australia. It was the second time that the Summer Olympics were held in Australia, and also the Southern Hemisphere, the first being in Melbourne, Victoria, in 1956.
Document 12: 2016 Summer Olympics opening ceremony: The opening ceremony of the 2016 Summer Olympics took place on the evening of Friday 5 August 2016 in the Maracanã Stadium, Rio de Janeiro, starting at 20:00 BRT (23:00 UTC). As mandated by the Olympic Charter, the proceedings combined the formal ceremonial opening of this international sporting event (including welcoming speeches, hoisting of the flags and the parade of athletes, as well as a new feature—the presentation of the International Olympic Committee's Olympic Laurel distinction) with an artistic spectacle to showcase the host nation's culture and history. The ceremony reportedly cost under $6,526,500 (£5 million/R$20,433,298)
Document 13: Tonga at the 2012 Summer Paralympics: Tonga participated in the 2012 Summer Paralympics in London, United Kingdom, from August 29 to September 9, 2012. Their participation marked their fourth consecutive Summer Paralympics appearance since their début at the 2000 Summer Paralympics in Sydney. Tonga was represented by the Tonga National Paralympic Committee, and was one of the 45 participating countries that sent only a single athlete. Tonga has always sent only a single athlete from Sydney 2000 to London 2012. Tonga National Paralympic Committee sent a delegation of three people, including one athlete. The sole athlete to represent the nation was ʻAloʻalo Liku, who participated in javelin and discus throw. Liku was the country's flag-bearer during the Games' opening ceremony. Tonga did not win a medal at these Games, however Liku finished with seasonal bests in both the events.
Document 14: Song Soon-chun: Song competed for South Korea in the 1956 Summer Olympics held in Melbourne, Australia. In the bantamweight boxing event, he captured the silver medal. His silver medal was South Korea's first silver medal at the Olympic Games.
Document 15: Bhutan at the 2016 Summer Olympics: Bhutan, a country in Southern Asia, participated in nine Summer Olympic Games between its debut in the 1984 Summer Olympics in Los Angeles, United States and the 2016 Summer Olympics in Rio de Janeiro, Brazil. The highest number of Bhutanese athletes participating in a Summer Games is six in both the 1984 Summer Olympics and the 1992 Summer Olympics in Barcelona, Spain. Bhutan competed at the Rio Summer Games from 5 to 21 August 2016. No Bhutanese athlete has ever won a medal at the Olympics. The two athletes who were selected to represent Bhutan at the Rio Games were Karma in the women's individual archery tournament and Kunzang Lenchu in the women's 10 metre air rifle shooting contest. Along with the two athletes, the Secretary General of Bhutan's Olympic Committee, and two coaches, the country's delegation was led by the heir presumptive to the Bhutan throne Jigyel Ugyen Wangchuck. Karma was selected as the flag bearer for the opening ceremony while Lenchu held it at the closing ceremony.
ground_truth: flag bearer of Laos