Was a film director M1 's sequel 's costume designer and executive producer
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:film.film_costumer_designer.costume_design_for_film ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x1 ns:film.film.prequel M1
}