What did a actor of M0 , M1 , and M2 found
SELECT DISTINCT ?x0 WHERE {
?x0 ns:organization.organization.founders ?x1 .
?x1 ns:film.actor.film/ns:film.performance.character M0 .
?x1 ns:film.actor.film/ns:film.performance.character M1 .
?x1 ns:film.actor.film/ns:film.performance.character M2
}