Conversation so far:
What was Steve Ballmer's role in sports?
Steve Ballmer was a key investor in several NBA teams.
Did Steve Ballmer purchase a team as well?
Steve Ballmer made a game-changing commitment to invest $150 million in cash toward a proposed $300 million renovation of KeyArena and were ready to purchase the Seattle SuperSonics.

Question: What year was this in?
Self-contained rewrite: What year did Steve Ballmer make a game-changing commitment to invest $150 million in cash toward a proposed $300 million renovation of KeyArena and were ready to purchase the Seattle SuperSonics?