Which film was written by , directed by , and edited by M1 's writer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.written_by ?x1 .
?x1 ns:film.writer.film M1
}