What editor of M1 , M2 , and M3 founded M0 and founded a film producer
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x1 a ns:film.producer
}