Conversation so far:
Who was the new frontman?
former Hurricane singer Kelly Hansen.
When did he join the band?
March 2005, making his debut with the group on March 11.
Who did he replace?
Jones, the founder and only remaining original member of Foreigner.
What instrument did he play?
singer.

Question: How many albums did he release?
Self-contained rewrite: How many albums did Kelly Hansen release?