Emmanuel "Emma" Lucenti (born November 23, 1984) is a judoka from Argentina.
 He competed at the 2008, 2012 and 2016 Summer Olympics in the men's half-middleweight (-81 kg).
 At the 2008 Summer Olympics, he lost in second round to Euan Burton.
 At the 2012 Summer Olympics, he reached the quarter-finals, where he lost to Kim Jae-bum.
 As Kim continued on to the gold medal match, Lucenti took part in the bronze medal repechage, where he lost in the first round to Antoine Valois-Fortier.
 At the 2016 Summer Olympics, Lucenti was once again eliminated by Valois-Fortier, this time in the third round.
Jaromír Ježek (] ; born 13 November 1986, Hradec Králové) is a Czech judoka.
 He has competed at the 2008 and 2012 Summer Olympics.
 At the 2008 Summer Olympics, he lost in the first round to Shokir Muminov.
 He went one round better at the 2012 Summer Olympics, where he beat Aleni Smith in his first match, before losing to Wang Ki-Chun in the next.
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.
Michael John Conlan (born 19 November 1991) is an Irish professional boxer from Belfast.
 He is currently signed with Top Rank promotion.
 He competed for Ireland at amateur level.
Barna Bor (born 12 December 1986, Kerepestarcsa, Pest, Hungary) is a Hungarian judoka.
 He competed at the 2008 and 2012 Summer Olympics.
 At the 2008 Summer Olympics, he lost in the last 32 to Islam El Shehaby.
 At the 2012 Summer Olympics, he beat Luuk Verbij in the first round, then El Mehdi Malki in the second round, before losing to Andreas Tölzer in the quarterfinal.
 In the repechage, he lost to Rafael Silva in the first round.
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.
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.
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.
Wu Shugen (Mongolian: Ündes, born August 26, 1987 in Inner Mongolia) is a female Mongol judoka from China who competed at the 2008 Summer Olympics and 2012 Summer Olympics in the Extra lightweight (under 48 kg) event.
 At the 2008 Summer Olympics, she lost in the quarterfinals to Ryoko Tani.
 In the repechage she beat Sayaka Matsumoto, before losing to Paula Pareto.
 She beat Lisa Kearney before losing to Sarah Menezes in the 2012 Summer Olympics.
 In the repechage she lost to Éva Csernoviczki.
Annabelle Laure Ali (born 4 March 1985) is a female freestyle wrestler from Cameroon.
 She participated in the Women's Freestyle 72 kg event at the 2008 Summer Olympics, where she lost in the 1/8 final to Agnieszka Wieszczek.
 At the 2012 Summer Olympics, she lost to Stanka Zlateva in the quarterfinals.
 As Zlateva proceeded to the final, Ali was part of the bronze medal repechage, where she lost to Vasilisa Marzaliuk.
 At the 2012 Summer Olympics, she was also the Cameroonian flag-bearer at the opening ceremony.

Question: Duke Micah lost in the 2012 Summer Olympics to which Belfast-based boxer?
Answer: Michael John Conlan