Did a American Italian costume designer write M3 and edit M1 and M2
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?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 .
?x0 ns:people.person.nationality ns:m.09c7w0
}