question: Was M3 's producer a film producer that M0 , M1 , and M2 acquired
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.film|ns:film.production_company.films M3 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M0 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2
  }