question: Did a male German film editor that edited M1 write M2 and executive produce M3 and M4
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.films_executive_produced M4 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x0 ns:people.person.nationality ns:m.0345h
  }