Question: What sport did Jyoti Chetty of one of the country's three capital cities represent South Africa in at the 2008 summer Olympics?

Context articles: Pretoria
Jyoti Chetty
Arsen Kasabiev
Sifiso Nhlapo
Telkom SA National Aquatic Championships
Iulian Raicea
Andrei Inešin
Maik Eckhardt
Sebastien Rousseau
Johannesburg

Pretoria is a city in the northern part of Gauteng, South Africa.
 It is one of the country's three capital cities, serving as the seat of the executive branch of government (Cape Town is the legislative capital and Bloemfontein the judicial capital).
 Pretoria has a reputation for being an academic city with three universities and the Council for Scientific and Industrial Research (CSIR) located in its eastern suburbs, the city also hosts the South African Bureau of Standards making the city a hub for research.
 Pretoria is the central part of the Tshwane Metropolitan Municipality which was formed by the amalgamation of several former local authorities including Centurion and Soshanguve.
 There have been proposals to change the name of Pretoria itself to Tshwane, and the proposed name change has caused some controversy.
Jyoti Chetty (born January 26, 1982 in Pretoria) is a South African sabre fencer.
 Chetty represented South Africa at the 2008 Summer Olympics in Beijing, where she competed in two sabre events.
Arsen Kasabiev (Georgian: არსენ კასაბიევი ; Russian: Арсен Касабиев ) born November 15, 1987 in Tskhinvali, South Ossetia) is a Polish-Georgian weightlifter of Ossetian origin.
 At the 2004 Summer Olympics he placed 14th.
 At the 2008 Summer Olympics he originally placed fourth, but due to the doping faillure of Ilya Ilyin and Khadzhimurat Akkaev, he placed second.
 At the 2008 Summer Olympics in Beijing, PR China he initially gained attention for being from South Ossetia due to the 2008 South Ossetia war.
 He publicly announced that he no longer wanted to represent Georgia and moved to Poland afterwards.
Sifiso Nhlapo is a South African racing cyclist who represents South Africa in BMX.
 He was selected to represent South Africa at 2008 Beijing, China Summer Olympics and the 2012 London, England Summer Olympics in the men's BMX event.
 Sifiso has raced professionally since 2007 and has competed in the European and USA series.
 Sifiso placed second at the UCI SX race in Pietermaritzburg South Africa in 2010, in front of adoring fans.
The Telkom SA National Aquatic Championships is a yearly open competition event in South Africa which incorporates all aquatic disciplines under the auspices of Swimming South Africa: swimming, water polo, diving, synchronized swimming and open water swimming.
 The events are held in major cities across South Africa in April and provide the basis for selection for teams to represent South Africa and compete at the FINA World Championships, All Africa Games, Commonwealth Games and the Olympic Games.
Iulian Raicea (born 4 March 1973) is a Romanian sport shooter who competed in the 1992 Summer Olympics, in the 1996 Summer Olympics, in the 2000 Summer Olympics, in the 2004 Summer Olympics, and in the 2008 Summer Olympics.
Andrei Inešin (born 18 January 1967) is an Estonian sport shooter who competed in the 1992 Summer Olympics, in the 1996 Summer Olympics, in the 2000 Summer Olympics, in the 2004 Summer Olympics, and in the 2008 Summer Olympics.
Maik Eckhardt (born 4 June 1970 in Bad Berleburg) is a German sport shooter who competed in the 1996 Summer Olympics, in the 2000 Summer Olympics, in the 2004 Summer Olympics, in the 2008 Summer Olympics, and in the 2012 Summer Olympics.
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.
Johannesburg ( ; ] ; also known as Jozi, Joburg and Egoli) is the largest city in South Africa and is one of the 50 largest urban areas in the world.
 It is the provincial largest city in Gauteng, which is the wealthiest province in South Africa.
 While Johannesburg is not one of South Africa's three capital cities, it is the seat of the Constitutional Court.
 The city is located in the mineral-rich Witwatersrand range of hills and is the centre of large-scale gold and diamond trade.