Was a Mexican film producer that produced M2 M3 's sibling 's parent
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.producer.film|ns:film.production_company.films M2 .
?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.nationality ns:m.0b90_r .
?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 M3 .
FILTER ( ?x1 != M3 )
}