question: Which Canadian director of M1 and M2 was M3 's prequel 's editor , cinematographer , and director
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.cinematographer.film ?x1 .
  ?x0 ns:film.director.film ?x1 .
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.editor.film ?x1 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x1 ns:film.film.sequel M3
  }