Conversation so far:
What happened with Oscar Pistorius in 2011?
At the 2011 World Championships in Athletics, Pistorius became the first amputee to win a non-disabled world track medal.
What events did Oscar Pistorius win at the 2011 World Championships in Athletics?

Question: What was the second event he won?
Self-contained rewrite: What was the second event Oscar Pistorius won at the 2011 World Championships in Athletics?