Was a production company founded by a film director and founded by M3 and M4 M1
SELECT count(*) WHERE {
?x0 a ns:film.director .
M1 a ns:film.production_company .
M1 ns:organization.organization.founders ?x0 .
M1 ns:organization.organization.founders M3 .
M1 ns:organization.organization.founders M4
}