Conversation so far:
what happened in 2005 to sean waltman?
In February 2006, Waltman joined MTV's.
What did he do there?
formed Wrestling Society X (WSX) promotion, as 6-Pac.
Was he contreversial?
He challenged Vampiro in episode four.

Question: What was the response to the challenge?
Self-contained rewrite: What was the response to the challenge Vampiro in episode four?