question: Was M1 edited by , directed by , and produced by a film 's prequel 's writer and star
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
  ?x0 ns:film.writer.film ?x1 .
  ?x1 ns:film.film.sequel ?x2 .
  ?x2 a ns:film.film .
  M1 ns:film.film.directed_by ?x0 .
  M1 ns:film.film.edited_by ?x0 .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }