Question: Which tv channel aired the episode "Cancelled" as part of the show "South Park"?
Sentence (from "Metropolitan Indianapolis Public Broadcasting"): Metropolitan Indianapolis Public Broadcasting, Inc. is a not-for-profit corporation, located in Indianapolis, Indiana, that operates WFYI Public Television (channel 20, digital channels 20.1, 20.2 and 20.3) and WFYI-FM Public Radio (90.1 FM & HD1 and HD2, publicly branded as "The Point"), which are member stations of the Public Broadcasting Service (PBS) and National Public Radio (NPR), respectively.
Relevant evidence: No