| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | Reiner Dierksen - Ships attacked |  |  |  |  |
| 3 | Date | Ship | Nationality | Gross Register Tons (GRT) | Fate |
| 4 | 4 August 1942 | Richmond Castle | United Kingdom | 7,798 | Sunk |
| 5 | 8 August 1942 | Kelso | United Kingdom | 3,956 | Sunk |
| 6 | 8 August 1942 | Mount Kassion | Greece | 7,914 | Sunk |
| 7 | 8 August 1942 | Trehata | United Kingdom | 4,817 | Sunk |
| 8 | 9 August 1942 | Radchurch | United Kingdom | 3,701 | Sunk |
| 9 | 25 August 1942 | Empire Breeze | United Kingdom | 7,457 | Sunk |
| 10 | 27 November 1942 | Polydorus | Netherlands | 5,922 | Sunk |
| 11 | 13 December 1942 | Scania | Sweden | 1,629 | Sunk |
| 12 | 16 December 1942 | Observer | United Kingdom | 5,881 | Sunk |
| 13 | 13 May 1943 | Mambí | Cuba | 1,983 | Sunk |
| 14 | 13 May 1943 | Nickeliner | United States | 2,249 | Sunk |

Question: How many ships had Dierksen destroyed?
Answer: Dierksen had sunk 11 ships with a total of 53,307 gross register tons (GRT).