generate questions: Caesars Entertainment executives have been reconsidering the future of their three remaining Atlantic City properties (Bally's, Caesars and Harrah's), in the wake of a Chapter 11 bankruptcy filing by the company's casino operating unit in January 2015.
How many remaining properties belong to Caesars Entertainment? {sep_token} What are the names of the three remaining Caesars Entertainment properties? {sep_token} What type of bankruptcy did Caesars Entertainment file for? {sep_token} What year did Caesars Entertainment file for bankruptcy? {sep_token} Which unit of Caesars Entertainment filed for bankruptcy in 2015?