Question: What nationality is the director of film Lethal Obsession?
Sentence (from "Lethal Obsession"): Lethal Obsession (also known as The Joker) is a 1987 German crime-thriller film written and directed by Peter Patzak and starring Peter Maffay, Tahnee Welch, Michael York, Armin Mueller-Stahl, Elliott Gould and Massimo Ghini.
Relevant evidence: Yes