question: What screenwriter was a film editor that M2 and M3 were written by , were executive produced by , and were directed by
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.editor .
  ?x0 a ns:film.writer .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3
  }