Django Queryset - 获取最后一个相关对象并按其数据进行过滤

I have two Django Models:

我有两个Django模型：

class Person(models.Model):
    unique_id = models.CharField()

class PersonData(models.Model):
    person = models.ForeignKey('Person')
    phone = models.CharField()
    email = models.CharField()
    date = models.DateTimeField()
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