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:
| Date | Ship | Tons | Nationality | Fate and location |
| --- | --- | --- | --- | --- |
| 22 January 1942 | Vassilios A. Polemis | 3429.0 | Greece | Sunk at |
| 24 January 1942 | Ringstad | 4765.0 | Norway | Sunk at |
| 31 January 1942 | Spreewald | 5083.0 | Nazi Germany | Sunk at |
| 6 May 1942 | Amazone | 1294.0 | Netherlands | Sunk at |
| 6 May 1942 | Halsey | 7088.0 | United States | Sunk at |
| 6 May 1942 | Java Arrow | 8327.0 | United States | Damaged at |
| 10 May 1942 | Clan Skene | 5214.0 | United Kingdom | Sunk at |
| 6 October 1942 | HMSCrocus | 925.0 | United Kingdom | Damaged at |
| 19 March 1943 | Carras | 5234.0 | Greece | Sunk at |
Question:
What was the fate and location of the Ringstad?
Answer:
Sunk at