Did M1 found a employer of a screenwriter , found M2 , M3 , and M4 , and found M5
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 a ns:film.writer .
M1 ns:organization.organization_founder.organizations_founded ?x0 .
M1 ns:organization.organization_founder.organizations_founded M2 .
M1 ns:organization.organization_founder.organizations_founded M3 .
M1 ns:organization.organization_founder.organizations_founded M4 .
M1 ns:organization.organization_founder.organizations_founded M5
}