Question: Which short film was directed by John Sanford and Elaine Bogan for the How to Train Your Dragon franchise?
Sentence (from "How to Train Your Dragon (franchise)"): The franchise also consists of four short films: "Legend of the Boneknapper Dragon" (2010), "Book of Dragons" (2011), "Gift of the Night Fury" (2011) and "Dawn of the Dragon Racers" (2014).
Relevant evidence: Yes