Conversation so far:
What was Simoncelli's best year in the MotoGP?
His best MotoGP finish was second place in the Australian GP at Phillip Island.
How many did he compete against?
CANNOTANSWER.
What year was that?
In the 2011 season.
So his last year was his best?
CANNOTANSWER.

Question: What did he win?
Self-contained rewrite: What did Simoncelli win?