Did M1 employ a company 's founder and employ a company 's founder
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 a ns:business.employer .
?x2 ns:organization.organization_founder.organizations_founded ?x3 .
?x3 a ns:business.employer .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2
}