Was M0 a film producer that played M2 and played M3 and M4
SELECT count(*) WHERE {
M0 a ns:film.producer .
M0 ns:film.actor.film/ns:film.performance.character M2 .
M0 ns:film.actor.film/ns:film.performance.character M3 .
M0 ns:film.actor.film/ns:film.performance.character M4
}