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?
Sentence (from "Caster Semenya"): Mokgadi Caster Semenya Bronze OIB (born 7 January 1991) is a South African middle-distance runner and 2016 Olympic gold medallist.
Relevant evidence: Yes