Did a film distributor employ M1 , M2 , and M3 and employ M4 's founder and employee
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
?x1 ns:organization.organization_founder.organizations_founded M4 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M4
}