Who edited M1 and M2 and executive produced a film written and edited by a film editor
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x1 a ns:film.film .
?x1 ns:film.film.edited_by ?x2 .
?x1 ns:film.film.written_by ?x2 .
?x2 a ns:film.editor
}