question: What film editor that M2 was executive produced by and M1 was written by was employed by M3 and employed by M4
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M4
  }