question: Did a film 's director , art director , and cinematographer executive produce M1 , M2 , M3 , and M4 and write M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film ?x1 .
  ?x0 ns:film.director.film ?x1 .
  ?x0 ns:film.film_art_director.films_art_directed ?x1 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.films_executive_produced M4 .
  ?x0 ns:film.writer.film M0 .
  ?x1 a ns:film.film
  }