question: Were M3 and M6 edited by M5 , written by a executive producer of M0 , M1 , and M2 , and written by M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  M3 ns:film.film.edited_by M5 .
  M3 ns:film.film.written_by ?x0 .
  M3 ns:film.film.written_by M4 .
  M6 ns:film.film.edited_by M5 .
  M6 ns:film.film.written_by ?x0 .
  M6 ns:film.film.written_by M4
  }