question: Was a Italian film producer that wrote and edited M1 M3 's editor and director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.director.film M3 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:people.person.nationality ns:m.03rjj
  }