Quiz

There are absolutely no previews stored in my db so it can't be that.

Wouldn't it actually be question_states though that is used to generate these numbers and possibly in particular the event field? And if so what would it be looking for in that field?

Before when I was using 1.6 there was a bug at the time that required I go in and manually change this field from time to time when students would accidentally wipe out their answers in order to restore them.