question: Did a Italian film director edit M1 , edit M2 , and write M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:people.person.nationality ns:m.03rjj
  }