Question: The finale episode of season 15 of South Park was what numbered episode?
Sentence (from "South Park (season 15)"): In response to reactions to the mid-season finale episode "You're Getting Old", which seemed to insinuate that creators Trey Parker and Matt Stone were wrapping up the series, Comedy Central proclaimed through the media that "South Park" was renewed for two more seasons, and the duo were signed through 2013.
Relevant evidence: No