question: Were M3 , M4 , and M5 produced by a costume designer that was employed by M1 and M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_costumer_designer .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }