What founder of a film producer 's parent was M1 's American producer
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
?x1 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child ?x2 .
?x2 a ns:film.producer
}