question: Did a child of a writer of a film found M0 and found M1 's producer
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x0 ns:organization.organization_founder.organizations_founded M0 .
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x2 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M1 .
  ?x2 ns:film.writer.film ?x3 .
  ?x3 a ns:film.film
  }