question: Who did M2 's German art director influence
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x1 ns:film.film_art_director.films_art_directed M2 .
  ?x1 ns:people.person.nationality ns:m.0345h
  }