Was M0 's star , director , and writer a film 's editor
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x0 ns:film.director.film M0 .
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.writer.film M0 .
?x1 a ns:film.film
}