question: Was a Swedish costume designer that M3 and M4 were directed by and M5 and M6 were directed by a art director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_art_director .
  ?x0 a ns:film.film_costumer_designer .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.director.film M6 .
  ?x0 ns:people.person.nationality ns:m.0d0vqn
  }