question: Who was a Canadian American male costume designer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film_costumer_designer .
  ?x0 a ns:people.person .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x0 ns:people.person.nationality ns:m.09c7w0 .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }