question: Was M1 's Canadian cinematographer employed by a film distributor
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x0 ns:people.person.nationality ns:m.0d060g .
  ?x1 a ns:film.film_distributor
  }