I will hear from the Manager of Opposition Business in a second. I just say in response to that point, whilst that is a valid and logical point to make, the history of question time is that the Speaker can't judge what a minister should or shouldn't know. As I've said during the course of the week, the question may seem—

Honourable members interjecting—

The Minister for Education and the member for Kingston!

Honourable members interjecting—

Yes. That's right. I'm glad they designed anterooms that you might be able to chat in. So, there is a long history where Speakers can't judge what's being asked as unreasonable. But I'll hear from the Manager of Opposition Business.