Was M0 a person that M2 , M3 , and M4 employed and M5 and M6 were founded by
SELECT count(*) WHERE {
M0 a ns:people.person .
M0 ns:organization.organization_founder.organizations_founded M5 .
M0 ns:organization.organization_founder.organizations_founded M6 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M4
}