Question: In what year did Tim Gaines leave the band whose eleventh release was "The Roxx Regime Demos"?
Sentence (from "The Roxx Regime Demos"): While the album's general release was on July 10, 2007, pre-sale purchases at Stryper.com shipped on July 7, 2007, a reference to 777, a holy number in Christianity and one that used to appear onstage at Stryper concerts.
Relevant evidence: No