Conversation so far:
Why did Oliveri leave?
After the tour, Homme fired Oliveri, as he was convinced that Oliveri had been physically abusive to his girlfriend.
What kind of mainstream exposure did Queens of the Stone Age have?
Songs for the Deaf was a critical hit and was certified gold in 2003, with sales of over 900,000.

Question: Who produced the album?
Self-contained rewrite: Who produced the album Songs for the Deaf by Queens of the Stone Age?