Question: Who directed the 2008 film based on Andreas Hinterstoisser's experience climbing the Eiger?
Sentence (from "North Face (film)"): North Face (German: "Nordwand" ) is a 2008 German historical fiction film directed by Philipp Stölzl and starring Benno Fürmann, Florian Lukas, Johanna Wokalek, and Ulrich Tukur.
Relevant evidence: Yes