Question: When John Frusciante returned to play guitar for the Red Hot Chili Peppers in 1998, and make the album Californication, who did he replace?
Sentence (from "Californication (album)"): The album's subject material incorporated various sexual innuendos commonly associated with the band, but also contained more varied themes than previous outings, including lust, death, contemplations of suicide, California, drugs, globalization, and travel.
Relevant evidence: No