question: Who was a film 's French Canadian art director
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.film_art_director.films_art_directed ?x1 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x0 ns:people.person.nationality ns:m.0f8l9c .
  ?x1 a ns:film.film
  }