Conversation so far:
What was Ego Trippin' by Snoop Dogg?
Ego Trippin’ is Snoop Dogg's ninth studio album,
When was Ego Trippin' by Snoop Dogg released?
Ego Trippin’ by Snoop Dogg was released on March 11, 2008

Question: What did he do in 2007?
Self-contained rewrite: What did Snoop Dogg do in 2007?