Was M0 's prequel directed and written by M1 's executive producer , writer , and editor
SELECT count(*) WHERE {
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.sequel M0 .
?x0 ns:film.film.written_by ?x1 .
?x1 ns:film.editor.film M1 .
?x1 ns:film.producer.films_executive_produced M1 .
?x1 ns:film.writer.film M1
}