question: Were M2 and M3 acquired by a film distributor that M1 founded
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_distributor .
  ?x0 ns:organization.organization.founders M1 .
  M2 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company ?x0 .
  M3 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company ?x0
  }