question: Was M1 executive produced and written by M0 '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 M0 .
  M1 ns:film.film.executive_produced_by ?x0 .
  M1 ns:film.film.written_by ?x0
  }