Task: Explanation
Input (English): Sally Pearson, OAM (née McLellan; born 19 September 1986) is an Australian athlete. She is the 2011 and 2017 World champion and 2012 Olympic champion in the 100 metres hurdles. She also won a silver medal in the 100 m hurdles at the 2008 Summer Olympics and the 2013 World Championships. Question: which multiple Australian gold medalist won the 100m hurdles at the 2008 Summer Olympics? Answer: Sally Pearson
Output (English):  She also won a silver medal in the 100 m hurdles at the 2008 Summer Olympics and the 2013 World Championships.