Which American editor of a prequel of M4 directed M1 , M2 , and M3
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:film.editor.film ?x1 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
?x1 ns:film.film.sequel M4
}