Was a producer of M2 's sequel founded by M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x0 ns:organization.organization.founders M0 .
?x0 ns:organization.organization.founders M1 .
?x1 ns:film.film.prequel M2
}