question: Was M2 directed by a art director , written by M3 and M4 , and produced by a cinematographer
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x1 a ns:film.film_art_director .
  M2 ns:film.film.directed_by ?x1 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M2 ns:film.film.written_by M3 .
  M2 ns:film.film.written_by M4
  }