<prompt> Translate the following text to SwahiliA new book by Alan Ehrenhalt, The Lost City , is subtitled Discovering the Forgotten Virtues of Community in the Chicago of the 1950s .  <response>: Kama kitabu cha Alan Ehrenholt, Jiji Lililopotea, kitabu hiki kinaonyesha jinsi watu walivyoishi katika miaka ya 1950 na miaka ya 1990. 