Given an open-ended topic (movie name, a persons name, an event, sports, etc) generate a simple trivia-type question.

caractacus pott
'Caractacus Potts' is a character from which book and film?

ekati diamond mine
Opened in 1998, accessible usually only by air, and continually in permafrost, the EKATI Diamond Mine is in which country?

bratwurst

What is the German bratwurst?