Was a editor of M1 's sequel M0 's editor , producer , and executive producer
SELECT count(*) WHERE {
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x1 ns:film.film.prequel M1
}