Was a director of M3 and M4 a Italian art director of M1 and M2
SELECT count(*) WHERE {
?x0 ns:film.director.film M3 .
?x0 ns:film.director.film M4 .
?x0 ns:film.film_art_director.films_art_directed M1 .
?x0 ns:film.film_art_director.films_art_directed M2 .
?x0 ns:people.person.nationality ns:m.03rjj
}