question: Was M1 written by M2 , written by M0 's editor and star , and edited by M3 and M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film M0 .
  ?x0 ns:film.editor.film M0 .
  M1 ns:film.film.edited_by M3 .
  M1 ns:film.film.edited_by M4 .
  M1 ns:film.film.written_by ?x0 .
  M1 ns:film.film.written_by M2
  }