Who distributed and produced a film that was produced , written , and executive produced by a screenwriter
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 a ns:film.film .
?x1 ns:film.film.executive_produced_by ?x2 .
?x1 ns:film.film.produced_by|ns:film.film.production_companies ?x2 .
?x1 ns:film.film.written_by ?x2 .
?x2 a ns:film.writer
}