question: What film producer was founded by M1 , M2 , and M3 and was founded by M4 's star and producer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:organization.organization.founders ?x1 .
  ?x0 ns:organization.organization.founders M1 .
  ?x0 ns:organization.organization.founders M2 .
  ?x0 ns:organization.organization.founders M3 .
  ?x1 ns:film.actor.film/ns:film.performance.film M4 .
  ?x1 ns:film.producer.film|ns:film.production_company.films M4
  }