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