class n01_kss_anfrage(models.Model):
    inquiry_nr  = models.IntegerField("Inquiry Nr", default=0, blank=True, null=True)
    ip_address = models.CharField("IP Address", max_length=30, blank=True, null=True)
    timestamp  = models.DateTimeField("DateTime", auto_now_add = True, auto_now = False)
    preseparationn = models.IntegerField("preseparation", default=0, null=True)

 inquiry_nr