我有一個包含三種模型的投票應用程序:class Question(models.Model): user = models.ForeignKey(User, on_delete=models.CASCADE) status = models.CharField(max_length=200) total_votes = models.IntegerField(default=0) created_at = models.DateTimeField(auto_now_add=True)class Choice(models.Model): question = models.ForeignKey(Question, on_delete=models.CASCADE) choice = models.CharField(max_length=120)class Voting(models.Model): user = models.ForeignKey(User, on_delete=models.CASCADE) choice = models.ForeignKey(Choice, on_delete=models.CASCADE) answered_at = models.DateTimeField(auto_now_add=True)該Question模型是所有問題都存儲,該Choice模型是所有的選擇,這些問題都存儲,而Voting模型是用戶投票的存儲和他們選擇何種選擇。我需要進行查詢,在其中檢查登錄用戶是否回答了問題以及他們是否選擇了他們選擇的選項。如何進行此查詢?
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