question: Who was a Swedish Canadian male film director
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.director .
  ?x0 a ns:people.person .
  ?x0 ns:people.person.gender ns:m.05zppz .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x0 ns:people.person.nationality ns:m.0d0vqn
  }