Did a screenwriter found M1 and M2 , found a film producer , and found M3 and M4
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:organization.organization_founder.organizations_founded M3 .
?x0 ns:organization.organization_founder.organizations_founded M4 .
?x1 a ns:film.producer
}