Was a film produced and edited by a Chinese editor of M2 and M3
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
?x1 ns:film.editor.film M2 .
?x1 ns:film.editor.film M3 .
?x1 ns:people.person.nationality ns:m.0d05w3
}