Did a company employ a Swedish sibling of M1 and employ M3 's art director
SELECT count(*) WHERE {
?x0 a ns:business.employer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x1 ns:people.person.nationality ns:m.0d0vqn .
?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 M1 .
?x2 ns:film.film_art_director.films_art_directed M3 .
FILTER ( ?x1 != M1 )
}