What did M0 direct and a American writer of M1 and M2 edit
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.directed_by M0 .
?x0 ns:film.film.edited_by ?x1 .
?x1 ns:film.writer.film M1 .
?x1 ns:film.writer.film M2 .
?x1 ns:people.person.nationality ns:m.09c7w0
}