Was a film producer a cinematographer and star of M1 and M2
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.actor.film/ns:film.performance.film M2 .
?x0 ns:film.cinematographer.film M1 .
?x0 ns:film.cinematographer.film M2
}