user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Summary of raiding history' regarding 'German submarine U-511'
Table Content:
| Date | Name | Nationality | Tonnage (GRT) | Fate |
| --- | --- | --- | --- | --- |
| 27 August 1942 | Esso Aruba | United States | 8,773 | Damaged |
| 27 August 1942 | Rotterdam | Netherlands | 8,968 | Sunk |
| 27 August 1942 | San Fabian | United Kingdom | 13,031 | Sunk |
| 17 January 1943 | William Wilberforce | United Kingdom | 5,004 | Sunk |
| 27 June 1943 | Sebastin Cermeno | United States | 7,194 | Sunk |
| 9 July 1943 | Samuel Heintzelman | United States | 7,176 | Sunk |


Question
Which ships were sunk by U-511?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["German submarine U-511 had sunk five ships totalling 41,373 gross register tons (GRT) and damaged one of 8,773 GRT."]