Was M3 written by a film editor and directed by a Italian screenwriter
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x1 a ns:film.writer .
?x1 ns:people.person.nationality ns:m.03rjj .
M3 ns:film.film.directed_by ?x1 .
M3 ns:film.film.written_by ?x0
}