old_contents: from django.db import models
  from django.contrib.auth.models import AbstractUser
  
  
  class Member(AbstractUser):
      faculty_number = models.CharField(max_length=8)
  
  
      def __unicode__(self):
          return self.username
  
      def attended_meetings(self):
          return self.protocols.count()
  
new_contents: from django.db import models
  from django.contrib.auth.models import AbstractUser
  
  
  class Member(AbstractUser):
      faculty_number = models.CharField(max_length=8)
  
  
      def __unicode__(self):
          return self.username
  
      def attended_meetings(self):
          return self.protocols.all()
  
subject: Make attended_meetings return lists of meetings