Cesar Augusto Aquino de Castro (born September 2, 1982) is a Brazilian competitive diver from Brasília, Distrito Federal.
 Castro has represented Brazil in four consecutive Olympics Summer Olympics, 2004 Summer Olympics in Athens Games, 2008 Summer Olympics in Beijing, 2012 Summer Olympics in London, and 2016 Summer Olympics in Rio de Janeiro.
Sören Opti (born 16 May 1997) is a badminton player from Suriname.
 He competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil.
 He lost to both Lee Chong Wei of Malaysia and Derek Wong Zi Liang of Singapore during group play and did not advance further.
 Opti was the flagbearer for Suriname during the opening ceremony.
Vivian Jepkemoi Cheruiyot (born 11 September 1983) is a Kenyan long-distance runner who specialises in track and cross country running, olympic champion in 5000 metres event.
 She represented Kenya at the 2000 Summer Olympics, the 2008 Summer Olympics, the 2012 Summer Olympics and the 2016 Summer Olympics, winning a silver medal at the 5000 m and bronze medal at the 10000 m at the 2012 Olympics, silver medal at the 10000 m and gold medal at the 5000 m at the 2016 Olympics, setting the new Olympic record in 5000 m event.
 Cheruiyot won a silver medal in the 5000 metres at the 2007 World Championships in Athletics and became the world champion in the event at the 2009 edition, repeating this achievement at the 2011 World Championships, where she doubled up by winning the 10000 m.
Dato' Lee Chong Wei {'1': ", '2': ", '3': 'DSPN DB DCSM PJN', '4': "} (born 21 October 1982) is a Malaysian professional badminton player.
 As a singles player, Lee was ranked first worldwide for 199 consecutive weeks from 21 August 2008 to 14 June 2012.
 He is the fourth Malaysian player after Rashid Sidek, Roslin Hashim and Wong Choong Hann to achieve such a ranking (since official rankings were first kept in the 1980s), and is the only Malaysian shuttler to hold the number one ranking for more than a year.
Saúl Craviotto Rivero (born 3 November 1984) is a Spanish sprint canoer who has been racing since the mid-2000s.
 He has won four Olympic medals: a gold medal in the K-2 500 m with Carlos Pérez at the 2008 Summer Olympics in Beijing, a silver medal in the K-1 200 m event at the 2012 Summer Olympics in London, a gold medal in the K-2 200 m with Cristian Toro at the 2016 Summer Olympics and a bronze medal in the K-1 200 m at the 2016 Summer Olympics in Rio de Janeiro.
 He served as the flag bearer for Spain at the closing ceremony of the 2012 Olympics.
Alexandr Zaichikov (Belarusian: Аляксандр Зайчыкаў ; born (1992--) 17 1992 (age (2017)-(1992)-((11)<(08)or(11)==(08)and(30)<(17)) ) in Minsk) is a Belarusian-born Kazakh weightlifter.
 He competed at the 2012 Summer Olympics in the –105 kg event, and in the same event at the 2016 Summer Olympics.
 He won a Bronze medal at the 2016 Summer Olympics.
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.
Sebastien Daniel Rousseau (born 10 September 1990) is a competition swimmer who has represented South Africa in three Summer Olympics and other international swimming championships.
 He is the South African record holder in the 400m Individual Medley (LCM) with a time of 4:11.11, which he achieved while winning the event at the 2013 U.S. Open.
 He competed in the 2009 and 2011 World Swimming Championships, in Rome and Shanghai respectively.
 He competed in the 2010 and 2014 Commonwealth Games, in Delhi and Glasgow respectively.
 He competed in the 4 × 200 metre freestyle relay event at the 2008 Summer Olympics and the 4 × 200 metre freestyle relay event at the 2012 Summer Olympics.
 At the 2014 Commonwealth Games, he won bronze medals in the 400m individual medley, 200m butterfly, 4 × 200 m freestyle relay and 4 × 100 m medley relay.
 At the 2016 Summer Olympics, he competed in the 400 m individual medley where he finished 21st in the heats with a time of 4:18.72 and did not qualify for the final.
 He also competed in the 200 m butterfly where he finished 23rd in the heats with a time of 1:57.33 and did not qualify for the semifinals.
 He was part of South Africa's 4 × 200 m freestyle relay team that finished 10th in the heats and did not qualify for the final.
Ki Bo-Bae (Hangul: 기보배; ] or ] ] ; born February 20, 1988 in Anyang, Gyeonggi Province) is a South Korean archer.
 She took up archery in fourth grade at primary school as archery was offered as a school sport, and she now competes for the South Korean national team.
 In 2011, Ki became the ninth woman to achieve the world number one ranking in the women's individual recurve rankings.
 She won Olympic gold in both the team and individual archery events at the 2012 Summer Olympics.
 Ki earned her third Olympic gold medal as a member of the gold medal winning South Korean women's archery team at the 2016 Summer Olympics.
 In the women's individual event at the 2016 Summer Olympics, she won the bronze medal.
 In 2016, she ranked as world number 4.
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.

Question: What person born in 1982 did Sören Opti lose to at the 2016 Summer Olympics?
Answer: Lee Chong Wei