Who edited M1 and executive produced a film directed by and written by M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.editor.film M1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x1 a ns:film.film .
?x1 ns:film.film.directed_by M3 .
?x1 ns:film.film.written_by M3
}