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