Question: What 1986 American animated mystery comedy was storyboarded by Matthew O'Callaghan?
Sentence (from "The Great Mouse Detective"): The 26th Disney animated feature film, the film was directed by Burny Mattinson, David Michener, and the team of John Musker and Ron Clements, who later directed Disney's hit films "The Little Mermaid" and "Aladdin".
Relevant evidence: No