Which producer of M1 was a film editor 's German sibling
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:people.person.nationality ns:m.0345h .
?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 ?x1 .
?x1 a ns:film.editor .
FILTER ( ?x0 != ?x1 )
}