Conversation so far:
What happened in 2007?
In June 2007, she hosted the MTV Movie Awards.
What did she do after that?
In September 2007, she appeared at the MTV Video Music Awards.
When did she start the sarah silverman program?
February 2007.
what is the program about?
fictionalized versions of Silverman, her sister Laura, and their friends.

Question: was it popular?
Self-contained rewrite: Was Sarah Silverman Program popular?