Was a production company that M4 , M5 , and M6 were employed by and M2 and M3 founded M0
SELECT count(*) WHERE {
M0 a ns:film.production_company .
M0 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
M0 ns:business.employer.employees/ns:business.employment_tenure.person M5 .
M0 ns:business.employer.employees/ns:business.employment_tenure.person M6 .
M0 ns:organization.organization.founders M2 .
M0 ns:organization.organization.founders M3
}