Were M2 and M3 produced by a film producer that M1 's star founded
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:organization.organization.founders ?x1 .
?x1 ns:film.actor.film/ns:film.performance.film M1 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}