Your question for god.
Let's entertain the idea of the existence of a god.
So, regardless of your personal beliefs, let's say you die and then suddenly wake up in a strange place, where you are greeted by god. For some reason, you do know that the entity standing infront of you really is god.
And you are allowed to ask one single question, which it is obligated to answer truthfully. What could one ask?
I lean towards: "What the hell were you thinking, idiot?"
What would your question be?