4. The show Fleabag is adapted from Phoebe Waller-Bridge's one-woman play of the same name, which was performed in 2013 at a particular city's arts festival. Which city?
Clue: The show is adapted from Waller-Bridge's 2013 play performed at Edinburgh Festival Fringe. The initial idea of the character of Fleabag came from a challenge by a friend, where Waller-Bridge was given the task of creating a sketch for a 10-minute section in a stand-up storytelling night.