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