question: Which screenwriter was a film producer whose employer was founded by M2 and M3 and was founded by a actor
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.producer .
  ?x0 a ns:film.writer .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 ns:organization.organization.founders ?x2 .
  ?x1 ns:organization.organization.founders M2 .
  ?x1 ns:organization.organization.founders M3 .
  ?x2 a ns:film.actor
  }