Which employee of M0 was M1 's prequel 's director and executive producer
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x1 ns:film.film.sequel M1
}