Question: What film in the HTTYD franchise was written and directed by Dean DeBlois?
Sentence (from "How to Train Your Dragon 2"): How to Train Your Dragon 2 is a 2014 American 3D computer-animated fantasy action film produced by DreamWorks Animation and distributed by 20th Century Fox, loosely based on the British book series of the same name by Cressida Cowell.
Relevant evidence: Yes