question: Was a Spanish film director M2 's star and art director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:film.film_art_director.films_art_directed M2 .
  ?x0 ns:people.person.nationality ns:m.06mkj
  }