question: Did M2 and M4 star M3 and star M0 's Canadian costume designer
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_costumer_designer.costume_design_for_film M0 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M2 ns:film.film.starring/ns:film.performance.actor M3 .
  M4 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M4 ns:film.film.starring/ns:film.performance.actor M3
  }