Did M2 employ a film 's costume designer 's sibling and employ M0 's director
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
?x1 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 ?x2 .
?x2 ns:film.film_costumer_designer.costume_design_for_film ?x3 .
?x3 a ns:film.film .
FILTER ( ?x1 != ?x2 ) .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x1
}