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