question: Did a film distributor employ M4 's Japanese writer and employ M1 , M2 , and M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_distributor .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
  ?x1 ns:film.writer.film M4 .
  ?x1 ns:people.person.nationality ns:m.03_3d
  }