question: Was M0 a art director that M5 and M6 were directed by and M2 , M3 , and M4 were executive produced by
query: SELECT count(*) WHERE {
  M0 a ns:film.film_art_director .
  M0 ns:film.director.film M5 .
  M0 ns:film.director.film M6 .
  M0 ns:film.producer.films_executive_produced M2 .
  M0 ns:film.producer.films_executive_produced M3 .
  M0 ns:film.producer.films_executive_produced M4
  }