claim: Legend of the Boneknapper Dragon is a 2010 animated short film by the same company that produced "The Road to El Dorado". It is contained in the franchise based on the books written by Cressida Cowell.
supporting_facts.key: How to Train Your Dragon (franchise)
supporting_facts.key: Legend of the Boneknapper Dragon
supporting_facts.key: Cressida Cowell
supporting_facts.key: The Road to El Dorado