question: Which Canadian editor of M2 , M3 , and M4 wrote , executive produced , and edited M0
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:film.editor.film M4 .
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:film.writer.film M0 .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }