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

city of london
Tower, Albert and Vauxhall are all bridges in which European city?

apl.de.ap
Which American group is made up of will.i.am, apl.de.ap, Taboo and Fergie?

bahia

Bahia was the capital city of which South American city between 1552 and 1763?