Was M4 a film distributor whose founder founded M0 and M1 and founded M2 and M3
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:organization.organization_founder.organizations_founded M3 .
M4 a ns:film.film_distributor .
M4 ns:organization.organization.founders ?x0
}