Did a film producer distribute M2 's sequel and produce M1
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x1 ns:film.film.prequel M2
}