What was founded by M1 's executive producer and founded by a film 's sequel 's producer
SELECT DISTINCT ?x0 WHERE {
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders ?x2 .
?x1 ns:film.producer.film|ns:film.production_company.films ?x3 .
?x2 ns:film.producer.films_executive_produced M1 .
?x3 ns:film.film.prequel ?x4 .
?x4 a ns:film.film
}