Conversation so far:
Where did Big Boss Man wrestle for the final three years?
Big Boss Man wrestled in events such as the 2000 Royal Rumble, Sunday Night Heat, WrestleMania 2000 and Backlash.
Did Big Boss Man win any titles in his final years of 2000-2003?
What did Big Boss Man accomplish in 2000-2003?
Big Boss Man entered the 2000 Royal Rumble match, where he eliminated Rikishi, Chyna and Faarooq, before being eliminated by The Rock.
When was Big Boss Man's last match in 2000-2003?
On the May 20, 2002 Heat taping, Big Boss Man lost his final WWE match to Tommy Dreamer.
What happened after Big Boss Man's last WWE match against Tommy Dreamer?
Big Boss Man was assigned to train developmental wrestlers in Ohio Valley Wrestling, before being released from WWE in 2003.

Question: when did he pass away
Self-contained rewrite: When did Big Boss Man pass away?