Were M3 and M4 founded by a female person and founded by M2 's employee and founder
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.gender ns:m.02zsn .
?x1 ns:organization.organization_founder.organizations_founded M2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x1 .
M4 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders ?x1
}