Question: The boxer that defeated Oliver Lavigilante in the 2012 Summer Olympics is of what nationality?

Passages:
Shafiq Chitou (born 23 May 1985) is a Beninese boxer.  He qualified to compete in boxing at the 2012 Summer Olympics, but funding woes are a concern for him.  He currently works as a house painter.  Chitou lost to Félix Verdejo of Puerto Rico in the first round of the Men's lightweight event at the 2012 Summer Olympics. Aliaksandr Mikalayevich Buikevich (Belarusian: Аляксандар Мікалаевіч Буйкевіч , Russian: Александр Буйкевич ; born 19 November 1984) is a Belarusian sabre fencer, European champion in 2008 and team silver medallist at the 2011 World Championships in Catania.  At the 2008 Summer Olympics, he reached the quarter-finals in the individual sabre, losing to Romania's Mihai Covaliu, while the Belarusian sabre team also reached the quarter-finals.  At the 2012 Summer Olympics, he competed in the men's sabre, but was defeated in the table of 16 by Romania's Rareș Dumitrescu.  The Belarusian team again reached the quarter-finals.  Aliaksandr qualified for the 2016 Summer Olympics in Rio de Janeiro as the only Belarusian fencer.  In men's sabre in the table of 32 he defeated Joseph Polossifakis of Canada.  He could not advance to the quarter-finals as in the table of 16 he lost to the eventual winner Áron Szilágyi of Hungary, who claimed his second consecutive gold medal at the Olympics individual men's sabre.  Aliaksandr finished 12th in the event. Duke Akueteh Micah (born 16 September 1991) is a Ghanaian boxer.  He competed in the Men's flyweight division in the boxing at the 2012 Summer Olympics.  He won his first bout against Jason Lavigilante of Mauritius by 18 points to 14.  In the second round, he lost to the Irish boxer, Michael Conlan, losing by 19 points to 8. Belize competed at the 2012 Summer Olympics in London, which were held from 27 July to 12 August 2012.  The country's participation in London was its eleventh appearance in the Summer Olympics since its debut at the 1968 Summer Olympics.  The delegation included two short-distance runners and one judoka: Kenneth Medwood, Kaina Martinez and Eddermys Sanchez.  Medwood qualified by recording a time that met qualification standards while the latter two entered through wildcard places.  Medwood was selected as the flag bearer for both the opening and closing ceremonies.  Medwood reached the semifinals of the men's 400 metres hurdles before he was eliminated from competition while Martinez did not progress farther than the quarterfinal stage of the women's 100 metres.  Sanchez was defeated by his opponent Miklós Ungvári of Hungary in a 19-second match in the Round of 32 of the men's half-lightweight judo competition. Mayelis Yesenia Caripá Castillo (born 16 August 1980 in Valencia) is a Venezuelan freestyle wrestler.  She competed at the 2004, 2008 and 2012 Summer Olympics.  In 2004, she did not get out of her pool in the 48 kg freestyle event.  At the 2008 Summer Olympics, she lost to Vanessa Boubryemm in the first round of the 48 kg event.  She competed in the freestyle 48 kg event at the 2012 Summer Olympics; she defeated Alexandra Engelhardt in the 1/8 finals and was eliminated by Irini Merleni in the quarterfinals. Ilyas Abbadi (born 21 October 1992 in Médéa) is an Algerian boxer.  At the 2012 Summer Olympics, he competed in the Men's welterweight, but was defeated in the first round.  At the 2016 Summer Olympics in Rio de Janeiro, he competed in the men's middleweight division.  He was defeated in the second round by Zhanibek Alimkhanuly of Kazakhstan. Yann Siccardi (born April 11, 1984 in La Colle, Monaco) is a Monégasque Olympic judoka who competes in the Men's 60 kg category.  He competed in the 2008 and the 2012 Summer Olympics.  At the 2008 Summer Olympics, he lost in the first round to Craig Fallon of Great Britain.  At the 2012 Summer Olympics, he was defeated in the third round by Russian Arsen Galstyan.  Siccardi won a gold medal in the 60 kg and under category at the 2011 Games of the Small States of Europe.  Siccardi qualified for the 2016 Summer Olympics and is the Monégasque flag bearer. Jason Oliver Lavigilante is a Mauritian boxer.  At the 2012 Summer Olympics, he competed in the Men's flyweight, but was defeated in the first round by Duke Micah. Tsedevsürengiin Mönkhzaya (Mongolian: Цэдэвсүрэнгийн Мөнхзаяа , born 13 June 1986) is a retired Mongolian judoka.  At the 2012 Summer Olympics she competed in the Women's 63 kg.  Her first and quickest performance was on the fourth day of the 2012 Summer Olympics on July 31, 2012 during the elimination round of 32 matches.  In three rounds totaling only 46 seconds, she expeditiously defeated Palau's 35-year-old Jennifer Anson.  In that match, Munkhzaya Tsedevsuren scored "Ippon", the perfect score of 110 to 0.  In the 16th elimination round, she defeated Finland's Johanna Ylinen with a score of 100 to 0.  In the quarterfinal, she defeated France's Gevrise Emane and advanced to the semifinal of Table B where she lost to Slovenia's Urska Zolnir who went on to win the gold.  Munkhzaya Tsedevsuren fought for the bronze and lost to Japan's Yoshie Ueno. Iran (officially the Islamic Republic of Iran) competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012.  The nation has competed at every Summer Olympic games since its official debut in 1948 with the exception of the 1980 and 1984 Summer Olympics.  The National Olympic Committee of the Islamic Republic of Iran sent the nation's second-largest delegation to the Games, one less than it sent to Beijing.  A total of 53 athletes, 45 men and 8 women, competed in 14 sports.  This was also the youngest delegation in Iran's Olympic history, with half the team under the age of 25, and many of them are expected to reach their peak in time for the 2016 Summer Olympics in Rio de Janeiro.  Heavyweight boxer Ali Mazaheri was the nation's flag bearer at the opening ceremony.

Supporting sentences:
Jason Oliver Lavigilante is a Mauritian boxer.  At the 2012 Summer Olympics, he competed in the Men's flyweight, but was defeated in the first round by Duke Micah. Duke Akueteh Micah (born 16 September 1991) is a Ghanaian boxer.