Who was a character that wrote M2 and M3 and edited a film
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 a ns:people.person .
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.writer.film M2 .
?x0 ns:film.writer.film M3 .
?x1 a ns:film.film
}