Was a film producer that employed M2 , M3 , and M4 M0
SELECT count(*) WHERE {
M0 a ns:film.producer .
M0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
M0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M0 ns:business.employer.employees/ns:business.employment_tenure.person M4
}