Did a Chinese film producer that M1 was produced and edited by edit M2 and direct M4
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.director.film M4 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:people.person.nationality ns:m.0d05w3
}