question: Were M2 and M5 executive produced by M3 , directed by a American art director of M1 , and directed by M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_art_director.films_art_directed M1 .
  ?x0 ns:people.person.nationality ns:m.09c7w0 .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.directed_by M4 .
  M2 ns:film.film.executive_produced_by M3 .
  M5 ns:film.film.directed_by ?x0 .
  M5 ns:film.film.directed_by M4 .
  M5 ns:film.film.executive_produced_by M3
  }