Did M0 's prequel star M1 , star M2 , and star a employee and founder of M3
SELECT count(*) WHERE {
?x0 ns:film.film.sequel M0 .
?x0 ns:film.film.starring/ns:film.performance.actor ?x1 .
?x0 ns:film.film.starring/ns:film.performance.actor M1 .
?x0 ns:film.film.starring/ns:film.performance.actor M2 .
?x1 ns:organization.organization_founder.organizations_founded M3 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}