Question: Who produced the American 3D computer-animated holiday-themed musical fantasy featurette short film that was released in November of 2017 in theaters but originally was to air on ABC?
Sentence (from "Olaf's Frozen Adventure"): Olaf's Frozen Adventure is an upcoming 2017 American 3D computer-animated holiday-themed musical fantasy featurette short film produced by Walt Disney Animation Studios and released by Walt Disney Pictures, directed by Kevin Deters and Stevie Wermers.
Relevant evidence: Yes