Was M4 founded by M5 and M6 and founded by a founder and employee of M0 , M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:organization.organization_founder.organizations_founded M3 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M4 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders M5 .
M4 ns:organization.organization.founders M6
}