The Football Challenge

Week 2 - Day 5
Well, well, well. In Louis' absence I will be filling the void left by the usual host, hopefully I can satisfy you all enough for the time being whilst Louis is away. The question...
http://www.sapintegratedreport.com/2012/uploads/tx_dce_imagefader/Hertha_02_Logo_01.jpg
At the end of the 1964/5 Bundesliga season, Hertha BSC were demoted for secretly paying players. However, political reasons forced them to have a team from the capital in the league - so why was there no Berlin team in the 1966/67 season?