Was M3 a production company whose founder played M0 , M1 , and M2
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M0 .
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x0 ns:film.actor.film/ns:film.performance.character M2 .
M3 a ns:film.production_company .
M3 ns:organization.organization.founders ?x0
}