question: Did M3 and M4 found a film distributor that M1 and M2 acquired
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_distributor .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
  ?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2 .
  M3 ns:organization.organization_founder.organizations_founded ?x0 .
  M4 ns:organization.organization_founder.organizations_founded ?x0
  }