Question: When Alex Buesnel won a gold medal, where did the opening ceremony take place?

full_context: Document 1: Great Britain at the 2016 Summer Olympics: The United Kingdom of Great Britain and Northern Ireland competed as Great Britain at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. The United Kingdom was represented by the British Olympic Association (BOA), and the team of selected athletes was also known as Team GB. British athletes have appeared in every Summer Olympic Games of the modern era, alongside Australia, France, Greece, and Switzerland, though Great Britain is the only country to have won at least one gold medal at all of them. Although the British Olympic Association is the National Olympic Committee (NOC) for Great Britain and Northern Ireland, Northern Irish athletes can choose whether to compete for Great Britain or for the Republic of Ireland, as they are entitled to citizenship of either nation under the Good Friday Agreement. In 2016 Northern Ireland born representatives in Team GB included returning rowers Alan Campbell, Peter Chambers and Richard Chambers, archer Patrick Huston and four members of the men's field hockey team: David Ames, Mark Gleghorne, Iain Lewers and Ian Sloan. The team also represents, and included representation from, the Crown dependencies, among which were Guernsey's Heather Watson and Carl Hester, and from the ten of the thirteen British Overseas Territories represented by the BOA rather than their own NOC, whose representatives include Turks and Caicos-born sprinter Delano Williams and Anguillan-born long jumper Shara Proctor
Document 2: Alexander Artemev: Alexander Vladimirovich "Sasha" Artemev (Russian: Александр Владимирович "Саша" Артемьев , Belarusian: Аляксандр Уладзіміравіч Арцем'еў ; born August 29, 1985) is a retired American artistic gymnast. Artemev was a member of the bronze medal-winning U.S. team at the 2008 Olympic Games. He is the 2006 all-around U.S. national champion. Known for his ability on pommel horse, he is the 2007 and 2008 U.S. national champion on the pommel horse and won the bronze medal on the event at the 2006 World Championships.
Document 3: 2011 Special Olympics World Summer Games: The 2011 Special Olympics World Summer Games was a sporting event held from June, 25th 2011 – July, 4th 2011 in Athens, Greece. The opening ceremony of the games took place on 25 June 2011 at the Panathenaic Stadium and the closing ceremony was held on 4 July 2011.
Document 4: Alex Buesnel: Alexander Thomas Harry Buesnel (born 8 October 1992) is a British artistic gymnast. He is a nine-time British Disability Gymnastics Champion as well as a gold medalist in the 2011 Special Olympics World Summer Games in Athens, Greece. He was born in Jersey, Channel Islands, and started his gymnastics career in 2004 under the watchful eye of Jersey Special Gymnastics Club founder John Grady {'1': ", '2': 'MBE', '3': ", '4': "} . Since 2004, Buesnel has competed in competitions across the globe representing both Jersey and Great Britain in national, European and world championships.
Document 5: Emmanuel Ofosu Yeboah: Emmanuel Ofosu Yeboah is an athlete and activist from Koforidua, Ghana. Yeboah was born in 1977 with a severely deformed right leg. In 2001, he rode the 400 miles across Ghana to bring attention to the plight of the disabled in that country. In the process, he applied for a grant of a bicycle from the Challenged Athletes Foundation (CAF).
Document 6: Robert Newton (athlete): Robert Alan Newton (born 10 May 1981 in Nottingham, England) is a British hurdling athlete. As of 2004, he was Britain's number one sprint hurdler. However, competing for Team GB at the 2004 Summer Olympics in Athens, Newton failed to qualify for the second round of the 110 m hurdles competition. He was the only openly gay British Olympian that year.
Document 7: Athletics at the 2004 Summer Olympics: At the 2004 Summer Olympics, the athletics events were held at the Athens Olympic Stadium from August 18 to August 29, except for the marathons (run from Marathonas to the Kallimarmaro Stadium), the race walks (on the streets of Athens), and the shot put (held at the Ancient Olympia Stadium). A total of 46 events were contested, of which 24 by male and 22 by female athletes.
Document 8: 2007 Special Olympics World Summer Games: The 2007 Special Olympics World Summer Games were held in Shanghai, China.
Document 9: 2003 Special Olympics World Summer Games: The 2003 Special Olympics World Summer Games were hosted in Ireland, with participants staying in various host towns around the island in the lead up to the games before moving to Dublin for the events. Events were held from 21–29 June 2003 at many venues including Morton Stadium, the Royal Dublin Society, the National Basketball Arena, all in Dublin. Croke Park served as the central stadium for the opening and closing ceremonies, even though no competitions took place there. Belfast, Northern Ireland was the venue for roller skating events (at the Kings Hall), as well as the Special Olympics Scientific Symposium (held from 19–20 June).
Document 10: 2004 Summer Olympics: The 2004 Summer Olympic Games (Modern Greek: Θερινοί Ολυμπιακοί Αγώνες 2004 , "Therinoí Olympiakoí Agó̱nes 2004" ), officially known as the Games of the XXVIII Olympiad and commonly known as Athens 2004, was a premier international multi-sport event held in Athens, Greece, from 13 to 29 August 2004 with the motto "Welcome Home." 10,625 athletes competed, some 600 more than expected, accompanied by 5,501 team officials from 201 countries. There were 301 medal events in 28 different sports. Athens 2004 marked the first time since the 1996 Summer Olympics that all countries with a National Olympic Committee were in attendance. 2004 also marked the return of the games to the city where they began.
Document 11: Louis Smith (gymnast): Louis Antoine Smith, MBE (born 22 April 1989) is a British artistic gymnast. He received a bronze medal and a silver medal on the pommel horse at the 2008 Beijing Olympics and the 2012 London Olympics respectively, with the former marking the first time a British gymnast had placed in an Olympic event since 1928. He followed this up with a second consecutive silver medal on the pommel horse at the 2016 Rio Olympics, finishing behind teammate Max Whitlock. Smith was part of the Great Britain team that took the bronze in the men's artistic team all-around at the 2012 London Olympics. He is the only British gymnast to win Olympic medals in three separate Games. In 2015 he became the European champion on Pommel Horse.
Document 12: 2015 Special Olympics World Summer Games: The 2015 Special Olympics World Summer Games were a multi-sport event for athletes with intellectual disabilities held in Los Angeles, United States from July 25 to August 2, 2015, in the tradition of the Special Olympics movement.
Document 13: 1995 Special Olympics World Summer Games: The Ninth Special Olympics World Summer Games were held in New Haven, Connecticut, United States on July 1–9, 1995. More than 7,000 athletes from 143 countries gathered for competition in 21 sports. The opening and closing ceremonies were held in the Yale Bowl, and various events were held around the New Haven area, including various events held in West Haven, Connecticut. This was the first Special olympics world games that included unified sports.
Document 14: Harry Aikines-Aryeetey: Harry Leslie Aikines-Aryeetey (born 29 August 1988) is an English sprinter. A prodigious junior runner, in 2005 he was named as the BBC Young Sports Personality of the Year and the IAAF's Rising Star of the Year after becoming the first athlete to win gold medals at both 100 metres and 200 metres at the World Youth Championships.
Document 15: 2019 Special Olympics World Summer Games: The 2019 Special Olympics World Summer Games are a multi-sport event for athletes with intellectual disabilities in the tradition of the Special Olympics movement. They will be held in Abu Dhabi, United Arab Emirates From March 14–21, 2019.
ground_truth: Panathenaic Stadium