question: Did M4 's producer found M0 , found M1 , found M2 , and found M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.film|ns:film.production_company.films M4 .
  ?x0 ns:organization.organization_founder.organizations_founded M0 .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:organization.organization_founder.organizations_founded M2 .
  ?x0 ns:organization.organization_founder.organizations_founded M3
  }