Which film producer was founded by a actor that executive produced M4 , M5 , and M6 and founded by M1 and M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
?x1 a ns:film.actor .
?x1 ns:film.producer.films_executive_produced M4 .
?x1 ns:film.producer.films_executive_produced M5 .
?x1 ns:film.producer.films_executive_produced M6
}