question: Was M3 's German Canadian cinematographer a film director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 ns:film.cinematographer.film M3 .
  ?x0 ns:people.person.nationality ns:m.0345h .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }