Was a film directed by M2 's costume designer and directed by M1
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.directed_by M1 .
?x1 ns:film.film_costumer_designer.costume_design_for_film M2
}