Was M1 produced by M2 , produced by a person 's actor , and produced by M3
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character ?x1 .
?x1 a ns:people.person .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M1 ns:film.film.produced_by|ns:film.film.production_companies M2 .
M1 ns:film.film.produced_by|ns:film.film.production_companies M3
}