question: Did a Japanese film director that M2 employed write M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
  ?x0 ns:people.person.nationality ns:m.03_3d
  }