Question: Which other athlete, along with the South African middle-distance runner and 2016 gold medalist, created controversy at the 2009 African Junior Athletic Championships?
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