Was a Japanese executive producer of M1 and M2 a costume designer
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:people.person.nationality ns:m.03_3d
}