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"): Semenya also won silver medals at the 2011 World Championships and the 2012 Summer Olympics, both in the 800 metres.
Relevant evidence: No