public function toteuta_nayta_yksi_uusi_lomake()
 {
     $palauteolio = $this->get_palauteolio();
     $havaintonakymat = new Havaintonakymat($this->get_tietokantaolio(), $this->get_parametriolio());
     $palauteolio->set_sisalto($havaintonakymat->nayta_uusi_havaintolomake());
     return $palauteolio;
 }