question: Which French costume designer of M0 was M2 's art director
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film_art_director.films_art_directed M2 .
  ?x0 ns:film.film_costumer_designer.costume_design_for_film M0 .
  ?x0 ns:people.person.nationality ns:m.0f8l9c
  }