question: Was M2 produced by a cinematographer 's Canadian parent
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x1 a ns:film.cinematographer .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }