Was a male Italian film editor that M1 starred and was edited by M2 's writer and producer
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.producer.film|ns:film.production_company.films M2 .
?x0 ns:film.writer.film M2 .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.03rjj
}