Conversation so far:
Did Rey Mysterio ever win a title at the cruiserweight division?
On the July 8 episode of WCW Monday Nitro, Rey Mysterio defeated Malenko to win his first Cruiserweight Championship.

Question: Was that the only championship he won at that weight level?
Self-contained rewrite: Was Rey Mysterio's first Cruiserweight Championship win the only one he won at that weight level?