old_contents: from django.db import models
  from django_extensions.db.models import TimeStampedModel
  
  
  class Station(TimeStampedModel):
      station_id = models.TextField(primary_key=True)
      name = models.TextField()
      full_name = models.TextField()
  
new_contents: from django.db import models
  from django_extensions.db.models import TimeStampedModel
  
  
  class Station(TimeStampedModel):
      station_id = models.TextField(primary_key=True)
      name = models.TextField()
      full_name = models.TextField()
  
      class Meta:
          ordering = ['name']
  
subject: set default ordering