Was M0 a cinematographer that M2 and M3 were written by and edited by
SELECT count(*) WHERE {
M0 a ns:film.cinematographer .
M0 ns:film.editor.film M2 .
M0 ns:film.editor.film M3 .
M0 ns:film.writer.film M2 .
M0 ns:film.writer.film M3
}