question: Did M3 's sequel 's writer and executive producer direct M1 and M2 and executive produce M0
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:film.writer.film ?x1 .
  ?x1 ns:film.film.prequel M3
  }