question: Was a prequel of a film executive produced by M0 , executive produced by M1 and M2 , and edited by a actor
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.sequel ?x2 .
  ?x1 a ns:film.actor .
  ?x2 a ns:film.film
  }