如何通过过滤桥接表字段订购查询集?

Given the following models

鉴于以下模型

class Blog(models.Model):
    followers = models.ManyToManyField(User, through='Follow')

class Follow(models.Model):
    blog = models.ForeignKey(Blog)
    user = models.ForeignKey(User)
    created = models.DateField(auto_now_add=True)
class Blo