question: Was M3 's cinematographer a German cinematographer that wrote M0 and M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film M3 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:people.person.nationality ns:m.0345h
  }