621
xkcd #2922: Pub Trivia
(imgs.xkcd.com)
Alt text:
Bonus question: Where is London located? (a) The British Isles (b) Great Britain and Northern Ireland (c) The UK (d) Europe (or 'the EU') (e) Greater London
https://explainxkcd.com/wiki/index.php/2922:_Pub_Trivia
Regarding #9's alternative, "Not counting Canberra, what city was the most recently founded state capital of Australia?" is a bit of a bad question in and of itself, given that Canberra isn't a state capital, since the ACT isn't a state but rather a territory of Australia (alongside the Northern Territory).