question: Were M1 and M4 founded by M2 and M3 and founded by a film 's producer , executive producer , and writer
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
  ?x0 ns:film.writer.film ?x1 .
  ?x1 a ns:film.film .
  M1 ns:organization.organization.founders ?x0 .
  M1 ns:organization.organization.founders M2 .
  M1 ns:organization.organization.founders M3 .
  M4 ns:organization.organization.founders ?x0 .
  M4 ns:organization.organization.founders M2 .
  M4 ns:organization.organization.founders M3
  }