Was a film edited by M1 and M2 , edited by M3 , and edited by a costume designer
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.edited_by M1 .
?x0 ns:film.film.edited_by M2 .
?x0 ns:film.film.edited_by M3 .
?x1 a ns:film.film_costumer_designer
}