question: Was a film 's sequel written by M3 , executive produced by M0 , M1 , and M2 , and edited by a film editor
query: SELECT count(*) WHERE {
  ?x0 ns:film.film.edited_by ?x1 .
  ?x0 ns:film.film.executive_produced_by M0 .
  ?x0 ns:film.film.executive_produced_by M1 .
  ?x0 ns:film.film.executive_produced_by M2 .
  ?x0 ns:film.film.prequel ?x2 .
  ?x0 ns:film.film.written_by M3 .
  ?x1 a ns:film.editor .
  ?x2 a ns:film.film
  }