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