Was M1 written and edited by M0 's prequel 's editor , producer , and star
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 ns:film.film.sequel M0 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.written_by ?x0
}