Table:
text: 2009–10 2. Bundesliga
Managerial changes
Managerial changes
Team Outgoing_manager Manner_of_departure Date_of_vacancy Replaced_by Date_of_appointment Position_in_table
Arminia Bielefeld Jörg Berger Mutual consent 30 June 2009 Thomas Gerstner 1 July 2009 Pre-season
Energie Cottbus Bojan Prašnikar Mutual consent 30 June 2009 Claus-Dieter Wollitz 1 July 2009 Pre-season
1. FC Kaiserslautern Alois Schwartz End of tenure as caretaker 30 June 2009 Marco Kurz 1 July 2009 Pre-season
Karlsruher SC Edmund Becker Sacked 19 August 2009 Markus Schupp 3 Septebmer 2009 14th
Alemannia Aachen Jürgen Seeberger Sacked 5 September 2009 Michael Krüger 22 September 2009 12th
Rot Weiss Ahlen Stefan Emmerling Sacked 20 September 2009 Christian Hock 14 October 2009 17th

Question: How was the departure on the vacancy date September 20, 2009 in the change of coach 2009-10 2nd Bundesliga?