What did a film producer that directed M1 and directed M2 edit and executive produce
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.executive_produced_by ?x1 .
?x1 a ns:film.producer .
?x1 ns:film.director.film M1 .
?x1 ns:film.director.film M2
}