question: What was written by M0 and M1 , executive produced by a writer and executive producer of M3 , and written by M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x0 ns:film.film.written_by M0 .
  ?x0 ns:film.film.written_by M1 .
  ?x0 ns:film.film.written_by M2 .
  ?x1 ns:film.producer.films_executive_produced M3 .
  ?x1 ns:film.writer.film M3
  }