Was M2 directed by M3 , written by a costume designer , and executive produced by a person
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x1 a ns:film.film_costumer_designer .
M2 ns:film.film.directed_by M3 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.written_by ?x1
}