question: Did M1 and M2 direct , edit , and produce M0 's prequel 's prequel
query: SELECT count(*) WHERE {
  ?x0 ns:film.film.sequel ?x1 .
  ?x1 ns:film.film.sequel M0 .
  M1 ns:film.director.film ?x0 .
  M1 ns:film.editor.film ?x0 .
  M1 ns:film.producer.film|ns:film.production_company.films ?x0 .
  M2 ns:film.director.film ?x0 .
  M2 ns:film.editor.film ?x0 .
  M2 ns:film.producer.film|ns:film.production_company.films ?x0
  }