question: Did M1 employ M2 and M3 , employ M4 and M5 , and employ a film 's costume designer
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_costumer_designer.costume_design_for_film ?x1 .
  ?x1 a ns:film.film .
  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
  }