question: Did M1 employ M2 , M3 , M4 , and M5 , employ M6 , and employ a actor of M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M0 .
  M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
  M1 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
  M1 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
  M1 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
  M1 ns:business.employer.employees/ns:business.employment_tenure.person M5 .
  M1 ns:business.employer.employees/ns:business.employment_tenure.person M6
  }