What company employed M1 , was founded by M2 's sibling , and was founded by a executive producer of a film
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:business.employer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders ?x2 .
?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 M2 .
?x2 ns:film.producer.films_executive_produced ?x3 .
?x3 a ns:film.film .
FILTER ( ?x1 != M2 )
}