What did M1 's writer and star edit and a film editor write
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.written_by ?x2 .
?x1 ns:film.actor.film/ns:film.performance.film M1 .
?x1 ns:film.writer.film M1 .
?x2 a ns:film.editor
}