Did M0 and M3 edit and direct M1 and M2
SELECT count(*) WHERE {
M0 ns:film.director.film M1 .
M0 ns:film.director.film M2 .
M0 ns:film.editor.film M1 .
M0 ns:film.editor.film M2 .
M3 ns:film.director.film M1 .
M3 ns:film.director.film M2 .
M3 ns:film.editor.film M1 .
M3 ns:film.editor.film M2
}