Conversation so far:
When did Steve Irwin die?
Steve Irwin died on 4 September 2006 after being pierced in the chest by a stingray barb while filming in Australia's Great Barrier Reef.
Where did Steve Irwin die?
Steve Irwin died on 4 September 2006 after being pierced in the chest by a stingray barb while filming in Australia's Great Barrier Reef.

Question: How did he die?
Self-contained rewrite: How did Steve Irwin die?