question: Were M1 and M3 directed by a art director of M0 's sequel and produced by M2
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_art_director.films_art_directed ?x1 .
  ?x1 ns:film.film.prequel M0 .
  M1 ns:film.film.directed_by ?x0 .
  M1 ns:film.film.produced_by|ns:film.film.production_companies M2 .
  M3 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies M2
  }