question: What was executive produced by a film editor that M1 employed and M2 employed and directed by M3 's star
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.executive_produced_by ?x2 .
  ?x1 ns:film.actor.film/ns:film.performance.film M3 .
  ?x2 a ns:film.editor .
  ?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M2
  }