Was M0 a company that M2 and M3 founded and M4 , M5 , M6 , and M7 founded
SELECT count(*) WHERE {
M0 a ns:business.employer .
M0 ns:organization.organization.founders M2 .
M0 ns:organization.organization.founders M3 .
M0 ns:organization.organization.founders M4 .
M0 ns:organization.organization.founders M5 .
M0 ns:organization.organization.founders M6 .
M0 ns:organization.organization.founders M7
}