Was a editor of M2 a Italian costume designer and star of M0
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.film_costumer_designer.costume_design_for_film M0 .
?x0 ns:people.person.nationality ns:m.03rjj
}