Were M3 and M4 founded by M2 's star and founded by a actor of M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M0 .
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x1 ns:film.actor.film/ns:film.performance.film M2 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x1 .
M4 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders ?x1
}