Was a film edited by a Chinese actor and directed by M1
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.directed_by M1 .
?x0 ns:film.film.edited_by ?x1 .
?x1 a ns:film.actor .
?x1 ns:people.person.nationality ns:m.0d05w3
}