question: Did a Chinese film director 's employer employ M2 's employee
query: SELECT count(*) WHERE {
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
  ?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
  ?x1 a ns:film.director .
  ?x1 ns:people.person.nationality ns:m.0d05w3 .
  ?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M2
  }