Question: What company services Croydon and operated the Thameslink Great Northern franchise?
Sentence (from "Association of British Commuters"): It was formed in September 2016 by a group of passengers, disaffected by Govia Thameslink Railway's service on the Southern routes of the Thameslink, Southern and Great Northern franchise, after months of delays, cancellations, overcrowded conditions, and strikes.
Relevant evidence: No