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 "Stevie Wermers"): In June 2017 it was announced that the short, titled "Olaf's Frozen Adventure", would instead be released theatrically with Disney·Pixar's "Coco" on November 22, 2017.
Relevant evidence: Yes