Did a editor , writer , and director of M2 and M3 edit M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:film.writer.film M2 .
?x0 ns:film.writer.film M3
}