Question: The director of a 2015 film based on Austro-Bavarian folklore has collaborated with which screenwriter?
Sentence (from "Krampus (film)"): The film stars Adam Scott, Toni Collette, David Koechner, Allison Tolman, Conchata Ferrell, Emjay Anthony, Stefania LaVie Owen, and Krista Stadler.
Relevant evidence: No