What did a film editor employed by M2 write and M0 write
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.written_by ?x1 .
?x0 ns:film.film.written_by M0 .
?x1 a ns:film.editor .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M2
}