Did a Chinese actor produce a film and edit M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x0 ns:people.person.nationality ns:m.0d05w3 .
?x1 a ns:film.film
}