question: Was M2 edited by M3 , produced by a company 's Canadian founder , and edited by M4
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x1 a ns:business.employer .
  M2 ns:film.film.edited_by M3 .
  M2 ns:film.film.edited_by M4 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }