Conversation so far:
When was Drake's album Thank Me Later released?
Drake released his debut studio album Thank Me Later in 2010.
What was Drake's first mixtape?
In 2007 Drake released his debut mixtape Room for Improvement.
What was Drake's second mixtape?
In 2007, he released his second mixtape, Comeback Season.

Question: Was there a third mixtape?
Self-contained rewrite: Was there a third mixtape from Drake?