What was edited by a film 's costume designer and edited by M1 's employee and founder
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.edited_by ?x2 .
?x1 ns:film.film_costumer_designer.costume_design_for_film ?x3 .
?x2 ns:organization.organization_founder.organizations_founded M1 .
?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x3 a ns:film.film
}