question: Were M2 and M4 executive produced by M3 , edited by a art director , and produced by a screenwriter
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  ?x1 a ns:film.film_art_director .
  M2 ns:film.film.edited_by ?x1 .
  M2 ns:film.film.executive_produced_by M3 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M4 ns:film.film.edited_by ?x1 .
  M4 ns:film.film.executive_produced_by M3 .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }