question: Were M1 and M4 directed by a film 's director and producer , written by M2 , and directed by M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film ?x1 .
  ?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
  ?x1 a ns:film.film .
  M1 ns:film.film.directed_by ?x0 .
  M1 ns:film.film.directed_by M3 .
  M1 ns:film.film.written_by M2 .
  M4 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.directed_by M3 .
  M4 ns:film.film.written_by M2
  }