Conversation so far:
When was Phil Mickelson's first win?
Phil Mickelson's first major championship win came in his thirteenth year on the PGA Tour in 2004.
What was Phil Mickelson's second win?
In 2005, Phil Mickelson captured his second major at the PGA Championship at Baltusrol.

Question: What was his third major win?
Self-contained rewrite: What was Phil Mickelson's third major win?