question: Was a Chinese film director that was employed by M2 and was employed by M3 M0
query: SELECT count(*) WHERE {
  M0 a ns:film.director .
  M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
  M0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
  M0 ns:people.person.nationality ns:m.0d05w3
  }