Did M1 , M2 , M3 , M4 , and M5 star a company 's actor
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character ?x1 .
?x1 a ns:business.employer .
M1 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M3 ns:film.film.starring/ns:film.performance.actor ?x0 .
M4 ns:film.film.starring/ns:film.performance.actor ?x0 .
M5 ns:film.film.starring/ns:film.performance.actor ?x0
}