Question: The female heptathlon competitor who medaled at the 2004 Commonwealth Youth Games is also the 2010 world indoor champion in what event?
Sentence (from "Athletics at the 2004 Commonwealth Youth Games"): Among the medallists on the girls' side were Dani Samuels (the 2009 discus world champion) and two 2012 Olympic champions, Sally McLellan (100 m hurdles) and Jessica Ennis (heptathlon).
Relevant evidence: Yes