Was a film edited by M2 's costume designer and executive producer and executive produced by M1
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.executive_produced_by M1 .
?x1 ns:film.film_costumer_designer.costume_design_for_film M2 .
?x1 ns:film.producer.films_executive_produced M2
}