Conversation so far:
Who came up with the idea for Family Guy?
Creator Seth MacFarlane.
What was Dan Povenmire's involvement with Family Guy?
Povenmire later became a director on Family Guy, starting with the season two episode.
What was his work on the show as a director?
season two episode, "Road to Rhode Island".
Did he do anything else for Family Guy?
Creator Seth MacFarlane granted Povenmire substantial creative freedom.

Question: What did he do with that freedom?
Self-contained rewrite: What did Dan Povenmire do with director's freedom?