Question: To which scandal was Kenneth Roy Feinberg retained to assist that started on 18 September 2015?
Sentence (from "Volkswagen emissions scandal"): The Volkswagen emissions scandal (also called "emissionsgate" or "dieselgate") started on 18 September 2015, when the United States Environmental Protection Agency (EPA) issued a notice of violation of the Clean Air Act to German automaker Volkswagen Group.
Relevant evidence: Yes