Which film producer was founded by a film producer 's child and was founded by a screenwriter
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders ?x2 .
?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x3 .
?x2 a ns:film.writer .
?x3 a ns:film.producer
}