Question: The fifteenth season of the American animated sitcom "South Park" began airing on Comedy Central on April 27, 2011, what's the title of the fifteenth season finale of the American animated television series "South Park", and the 223rd episode of the series overall?
Sentence (from "The Poor Kid"): In the episode, Kenny and his brother and sister are sent to a foster home after police discover a meth lab in their house.
Relevant evidence: No