question: What Italian actor of M1 was a film 's editor
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M1 .
  ?x0 ns:film.editor.film ?x1 .
  ?x0 ns:people.person.nationality ns:m.03rjj .
  ?x1 a ns:film.film
  }