Did a company employ M1 's cinematographer and employ a actor
SELECT count(*) WHERE {
?x0 a ns:business.employer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x1 ns:film.cinematographer.film M1 .
?x2 a ns:film.actor
}