question: Was M2 directed by M5 , edited by M3 , edited by M4 , and edited by M0 's Canadian executive producer
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  M2 ns:film.film.directed_by M5 .
  M2 ns:film.film.edited_by ?x0 .
  M2 ns:film.film.edited_by M3 .
  M2 ns:film.film.edited_by M4
  }