What Would the Other Person Say That You Are the Knight?

So what question you can ask one of them? One question. What is the question that you would ask to figure out which door is which? Oh, an, they're each in front of a door. Let's starte, letstart night nen and i got it. But we also don't know which door leads to the cash, right? Right? We haven't solved that problem yet. So consider the question: Would the other person that exists say yes or no at this point?"