Was M3 founded by M1 's sibling , founded by M0 's director , and founded by a film distributor 's employee
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 M1 .
?x2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x3 .
?x3 a ns:film.film_distributor .
FILTER ( ?x1 != M1 ) .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x1 .
M3 ns:organization.organization.founders ?x2
}