Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Team | Outgoing manager | Manner of departure | Date of vacancy | Replaced by | Date of appointment |
| --- | --- | --- | --- | --- | --- |
| Karşıyaka | Erdoğan Arıca | Mutual consent | 01 Sep 2010 | Kemal Kılıç | 07 Sep 2010 |
| Adanaspor | Kemal Kılıç | Mutual consent | 06 Sep 2010 | Cemal Gürsel Menteşe | 14 Sep 2010 |
| Gaziantep BB | Cemal Gürsel Menteşe | Mutual consent | 08 Sep 2010 | Erol Azgın | 08 Sep 2010 |
| Altay | Ercan Ertemçöz | Mutual consent | 05 Oct 2010 | Coşkun Demirbakan | 06 Oct 2010 |
| Giresunspor | Hüsnü Özkara | Mutual consent | 10 Oct 2010 | Bahri Kaya | 14 Oct 2010 |
| Mersin İdmanyurdu | Yüksel Yeşilova | Mutual consent | 17 Oct 2010 | Nurullah Sağlam | 20 Oct 2010 |
| Diyarbakırspor | Suat Kaya | Resignation | 23 Oct 2010 | Engin Korukır | 03 Nov 2010 |
| Adanaspor | Cemal Gürsel Menteşe | Resignation | 26 Oct 2010 | Osman Özdemir | 09 Nov 2010 |
| Kartalspor | Ergün Penbe | Resignation | 09 Dec 2010 | Engin Korukır | 29.12.2010 |
| Karşıyaka | Kemal Kılıç | Mutual consent | 23 Dec 2010 | Turgut Uçar | 28 Dec 2010 |
| Diyarbakırspor | Engin Korukır | Mutual consent | 29 Dec 2010 | Ercan Albay | 02 Jan 2011 |
| Diyarbakırspor | Ercan Albay | resigned | 16 Jan 2011 | Nevzat Türker | 21 Jan 2011 |
| Denizlispor | Hamza Hamzaoğlu | resigned | 29 Jan 2011 | Kenan Atik | 17 Feb 2011 |
| Karşıyaka | Turgut Uçar | resigned | 21 Feb 2011 | Reha Kapsal | 22 Feb 2011 |
| Akhisar B.G.S. | Atilla Özcan | resigned | 27 Feb 2011 | Hamza Hamzaoğlu | 28 Feb 2011 |
| Adanaspor | Osman Özdemir | resigned | 27 Feb 2011 | Eyüp Arın | 28 Feb 2011 |
| Denizlispor | Kenan Atik | became assistant manager | 01 Mar 2011 | Serhat Güller | 01 Mar 2011 |
| Kayseri Erciyesspor | Levent Devrim | resigned | 02 Mar 2011 | Ergün Penbe | 02 Mar 2011 |
| Diyarbakırspor | Nevzat Türker | became assistant manager | 22 Mar 2011 | Kemal Zeydan | 22 Mar 2011 |
| Orduspor | Uğur Tütüneker | resigned | 21 Mar 2011 | Metin Diyadin | 22 Mar 2011 |
| Altay | Coşkun Demirbakan | resigned | 11 Apr 2011 | Mehmet Altıparmak | 11 Apr 2011 |
| Denizlispor | Serhat Güller | resigned | 25 Apr 2011 | Kenan Atik | 25 Apr 2011 |
Question:
When was the date of vacancy for the manager of Kartalspor? 
Answer:
09 Dec 2010