Which child of a parent of a actor was M0 's writer and director
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.writer.film M0 .
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
?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.actor
}