question: Were M2 , M3 , M4 , M5 , and M6 employed by a film distributor and employed by M0 's distributor
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M0 .
  ?x1 a ns:film.film_distributor .
  M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
  M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  M3 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
  M3 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  M4 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
  M4 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  M5 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
  M5 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  M6 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
  M6 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1
  }