question: Was M1 a film whose producer founded a film producer
query: SELECT count(*) WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded ?x1 .
  ?x1 a ns:film.producer .
  M1 a ns:film.film .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }