Conversation so far:
What happened in 2011?
Entering the 2011 season, Kaymer turned down a chance to become a full PGA Tour member.
What did he do instead?
He stated he would concentrate on the European Tour for 2011, but would play several U.S.
events as well.

Question: Which tournaments did he play in Europe?
Self-contained rewrite: Which tournaments did Kaymer play in Europe?