Which sibling of M0 was a parent of M1 's producer 's founder and employee
SELECT DISTINCT ?x0 WHERE {
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x1 .
?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 M0 .
?x1 ns:organization.organization_founder.organizations_founded ?x2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x2 ns:film.producer.film|ns:film.production_company.films M1 .
FILTER ( ?x0 != M0 )
}