Were M2 and M5 founded by a screenwriter , founded by a person , and founded by M3 and M4
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x1 a ns:people.person .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders ?x1 .
M2 ns:organization.organization.founders M3 .
M2 ns:organization.organization.founders M4 .
M5 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders ?x1 .
M5 ns:organization.organization.founders M3 .
M5 ns:organization.organization.founders M4
}