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