What director of a sequel of M1 did M0 's employer employ
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x1 ns:film.film.prequel M1 .
?x2 ns:business.employer.employees/ns:business.employment_tenure.person M0
}