Were M4 , M5 , and M6 founded by a British actor that M1 and M2 were founded by and employed
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x0 ns:people.person.nationality ns:m.07ssc .
M4 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders ?x0 .
M6 ns:organization.organization.founders ?x0
}