Did M2 star M3 and M4 , star M1 's producer 's founder , and star M0 's actor
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M0 .
?x1 ns:organization.organization_founder.organizations_founded ?x2 .
?x2 ns:film.producer.film|ns:film.production_company.films M1 .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor ?x1 .
M2 ns:film.film.starring/ns:film.performance.actor M3 .
M2 ns:film.film.starring/ns:film.performance.actor M4
}