question: Did a German director of M2 edit , write , and direct M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M0 .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:people.person.nationality ns:m.0345h
  }