Were M1 and M5 founded by M0 's founder , founded by M2 , and founded by M3 and M4
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
M1 ns:organization.organization.founders ?x0 .
M1 ns:organization.organization.founders M2 .
M1 ns:organization.organization.founders M3 .
M1 ns:organization.organization.founders M4 .
M5 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders M2 .
M5 ns:organization.organization.founders M3 .
M5 ns:organization.organization.founders M4
}