What employee of M3 edited M0 , M1 , and M2
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}