Was M3 written and edited by a cinematographer and editor of M0 , M1 , and M2
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M0 .
?x0 ns:film.cinematographer.film M1 .
?x0 ns:film.cinematographer.film M2 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
M3 ns:film.film.edited_by ?x0 .
M3 ns:film.film.written_by ?x0
}