Was M2 produced by a film 's Japanese costume designer 's sibling and executive produced by M3 and M4
SELECT count(*) WHERE {
?x0 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x1 .
?x1 ns:film.film_costumer_designer.costume_design_for_film ?x2 .
?x1 ns:people.person.nationality ns:m.03_3d .
?x2 a ns:film.film .
FILTER ( ?x0 != ?x1 ) .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.executive_produced_by M4 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}