question: What was written by M0 and executive produced by M2 's Canadian parent
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x0 ns:film.film.written_by M0 .
  ?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M2 .
  ?x1 ns:people.person.nationality ns:m.0d060g
  }