question: Were M2 and M5 directed by M4 , executive produced by M3 , and produced by M1 's Mexican editor
query: SELECT count(*) WHERE {
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:people.person.nationality ns:m.0b90_r .
  M2 ns:film.film.directed_by M4 .
  M2 ns:film.film.executive_produced_by M3 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M5 ns:film.film.directed_by M4 .
  M5 ns:film.film.executive_produced_by M3 .
  M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }