question: Did M6 's star write M2 , M3 , and M4 , edit M0 and M1 , and produce M5
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film M6 .
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M5 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:film.writer.film M4
  }