Did M2 employ a costume designer 's female sibling and employ M3
SELECT count(*) WHERE {
?x0 ns:people.person.gender ns:m.02zsn .
?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 a ns:film.film_costumer_designer .
FILTER ( ?x0 != ?x1 ) .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M3
}