Were M2 and M4 founded by a producer and writer of M0 , founded by a person , and founded by M3
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x0 ns:film.writer.film M0 .
?x1 a ns:people.person .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders ?x1 .
M2 ns:organization.organization.founders M3 .
M4 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders ?x1 .
M4 ns:organization.organization.founders M3
}