Is it possible to make a variable ForeignKey in a model?

Question

Django

Is it possible in Django to create a variable field that will store the key (chain) when there is data in another model?
As an example:

class Base(models.Model):
    ...
    data = ForeignKey('One' or 'Two')

class One(models.Model):
    ...
class Two(models.Model):
    ...

Answer 1

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