Conversation so far:
What is Masters?
The 2010 Masters Tournament was the 74th Masters Tournament
When was the 2010 Masters Tournament?
The 2010 Masters Tournament was the 74th Masters Tournament, played April 8–11 at Augusta National Golf Club.
Did Phil Mickelson win the 2010 Masters Tournament
Phil Mickelson won his third Masters and fourth major title, three shots ahead of runner-up Lee Westwood.
What was Phil Mickelson's final score in the 2010 Masters?
In 2010, Phil Mickelson won the Masters Tournament on April 11 with a 16-under-par performance, giving him a three-stroke win over Lee Westwood.

Question: Who else was in the tournament?
Self-contained rewrite: Who else was in the 2010 Masters besides Phil Mickelson?