Was M3 founded by a actor that M1 and M2 employed and founded by M4 , M5 , M6 , and M7
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders M4 .
M3 ns:organization.organization.founders M5 .
M3 ns:organization.organization.founders M6 .
M3 ns:organization.organization.founders M7
}