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
FSV Frankfurt Tomas Oral Resigned 4 October 2009 Hans-Jürgen Boysen 7 October 2009 17th
MSV Duisburg Peter Neururer Mutual Consent 30 October 2009 Milan Šašić 2 November 2009 9th
TuS Koblenz Uwe Rapolder Sacked 13 December 2009 Petrik Sander 27 December 2009 16th
SpVgg Greuther Fürth Benno Möhlmann Sacked 20 December 2009 Michael Büskens 27 December 2009 15th
Rot-Weiß Oberhausen Jürgen Luginger Resigned 1 February 2010 Hans-Günter Bruns (Interim) 1 February 2010 15th
F.C. Hansa Rostock Andreas Zachhuber Sacked 22 February 2010 Marco Kostmann 16 March 2010 14th
Arminia Bielefeld Thomas Gerstner Sacked 11 March 2010 Detlev Dammeier Frank Eulberg Jörg Böhme 11 March 2010 5th

Question: What was the vacancy date of the manager appointed 11 March 2010 for 2009–10 2nd Bundesliga manager change?