question: The 2009 African Junior Athletics Championships were held in Bambous, Mauritius, which multiple gold medallist, a South African middle-distance runner and 2016 Olympic gold medallist, broke championships records?
answer: Caster Semenya
context: Title: Caster Semenya
  Passage: Mokgadi Caster Semenya Bronze OIB (born 7 January 1991) is a South African middle-distance runner and 2016 Olympic gold medallist.  Semenya won gold in the women's 800 metres at the 2009 World Championships with a time of 1:55.45 and at the 2017 World Championships in her new personal best, 1:55.16.  Semenya also won silver medals at the 2011 World Championships and the 2012 Summer Olympics, both in the 800 metres.  She was the winner of the gold medal in the 800 metre event at the 2016 Summer Olympics.
  Title: Lelisa Desisa
  Passage: Lelisa Desisa Benti (born 14 January 1990) is an Ethiopian long-distance runner who specialises in road running competitions.  He gained his first international medal at the 2009 African Junior Athletics Championships, where he took the 10,000 metres gold medal.
  Title: 2015 African Youth Athletics Championships
  Passage: The 2015 African Youth Athletics Championships was the second edition of the biennial athletics competition for African athletes aged fifteen to seventeen, It was held in Reduit, Mauritius from 23–26 April.  Mauritius had hosted the 2013 African Junior Athletics Championships two years earlier.  A total of 38 events, 18 by boys and 20 by girls, were contested at the competition.
  Title: 2009 African Junior Athletics Championships
  Passage: The 2009 African Junior Athletics Championships were held in Bambous, Mauritius from 30 July to 2 August.  There were 40 events in total, of which 20 were contested by male athletes and 20 by female athletes.  Multiple gold medallists Caster Semenya and Amaka Ogoegbunam broke championships records, but also created controversy at the 2009 World Championships in Athletics later that year.  Semenya was asked to take a gender test and Ogoegbunam tested positive for anabolic steroids.
citations: 2009 African Junior Athletics Championships Caster Semenya