question: Was a art director of M0 and M1 M2 's parent 's actor
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character ?x1 .
  ?x0 ns:film.film_art_director.films_art_directed M0 .
  ?x0 ns:film.film_art_director.films_art_directed M1 .
  ?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M2
  }