This may seem far-fetched but it is an important explorative question.
The answer you receive will most definitely shed light on their character and will go a long way in shaping your perspective about them. From their answer, you can get to know more about their personality, their values, and mindset.
The answer you receive could either put you off or attract you to them even more.
For example what if they said they would go on a killing rampage? What type of person are they really? What if they went all repentant and turned to God?