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

Context paragraphs:
Abdollah Movahed: Abdollah Movahed Ardabili (Persian: عبدالله موحد اردبیلی‎ ‎ , born March 20, 1940) is a retired Iranian lightweight freestyle wrestler.  He competed at the 1964, 1968 and 1972 Olympics and won a gold medal in 1968.  He served as flag bearer for Iran at the Opening Ceremony of the 1970 Asian Games, and won a gold medal a few days later.

Morningside Medal: The Morningside Medal of Mathematics is awarded to exceptional mathematicians of Chinese descent under the age of forty-five for their seminal achievements in mathematics and applied mathematics.  The winners of the Morningside Medal of Mathematics are traditionally announced at the opening ceremony of the triennial International Congress of Chinese Mathematicians.  Each Morningside Medalist receives a certificate, a medal, and cash award of US$25,000 for a gold medal, or US$10,000 for a silver medal.

Sushil Kumar (wrestler): Sushil Kumar Solanki (born 26 May 1983) is an Indian freestyle wrestler.  Competing in the 66 kg weight division he won the 2010 world title, a silver medal at the 2012 London Olympics and a bronze medal at the 2008 Beijing Olympics, which made him the only Indian to win two individual Olympic medals.  His 2008 Olympic medal was second for India in wrestling, and the first since Khashaba Dadasaheb Jadhav's bronze medal at the 1952 Summer Olympics.  In July 2009, he received the Rajiv Gandhi Khel Ratna – India's highest honour for sportspersons.  On 3 October 2010, Kumar handed the Queen's Baton to Prince Charles in the Queen's Baton Relay for the 2010 Commonwealth Games Opening Ceremony.  Sushil won the gold medal in the 74 kg division at the 2014 Commonwealth Games.

Magnar Solberg: Magnar Solberg (born 4 February 1937) is a former Norwegian biathlete and police officer.  He won a gold medal in the 20 km at the 1968 and 1972 Winter Olympics; his 4 × 7.5 km relay teams placed second in 1968 and fourth in 1972.  In 1968 he was awarded Morgenbladets Gullmedalje, and in 1972 served as the Olympic flag bearer for Norway at the opening ceremony.  He was one of the 16 former Norwegian athletes selected to bring in the Olympic Flag at the Opening Ceremony of the 1994 Winter Olympics.

2014 Winter Olympics opening ceremony: The opening ceremony of the 2014 Winter Olympics took place at the Fisht Olympic Stadium in Sochi, Russia, on 7 February 2014.  It began at 20:14 MSK () and finished at 23:02 MSK ().  It was filmed and produced by OBS and Russian host broadcaster VGTRK.  This was the first Winter Olympics and first Olympic Games opening ceremony under the IOC presidency of Thomas Bach.  This was also the second consecutive Winter Olympic opening ceremony to be held in an indoor stadium.

Leydi Solís: Leydi Yesenia Solís Arboleda (born February 17, 1990 in Tuluá, Valle del Cauca) is a female weightlifter from Colombia.  She won a gold medal at the 2007 Pan American Games for her native South American country, and carried the flag at the opening ceremony.  Solís represented Colombia at the 2008 Summer Olympics in Beijing, PR China, finishing in fourth place in her weight division.  She won the – 69 kg gold medal in snatch and clean & jerk during the 2014 Pan American Sports Festival.

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.

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.

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.

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.

Supporting paragraphs: Alex Buesnel 2011 Special Olympics World Summer Games
Answer: Panathenaic Stadium