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 | Name | Nationality | Tonnage (GRT) | Fate |
| --- | --- | --- | --- | --- |
| 2 August 1942 | Maldonado | Uruguay | 5285.0 | Sunk |
| 10 August 1942 | Alexia | United Kingdom | 8016.0 | Damaged |
| 19 August 1942 | Cressington Court | United Kingdom | 4971.0 | Sunk |
| 31 October 1942 | Alaska | Norway | 5681.0 | Damaged |
| 9 March 1943 | George C. Meade | USA | 7176.0 | Damaged |
| 9 March 1943 | James K. Polk | USA | 7177.0 | Total loss |
| 9 March 1943 | James Smith | USA | 7181.0 | Damaged |
| 9 March 1943 | James Rodman Drake | USA | 7181.0 | Damaged |
| 9 March 1943 | Kelvinbank | United Kingdom | 3872.0 | Sunk |
| 9 March 1943 | Mark Hanna | USA | 7176.0 | Damaged |
| 9 March 1943 | Tabitha Brown | USA | 7176.0 | Sunk |
| 9 March 1943 | Thomas Ruffin | USA | 7191.0 | Total loss |
| 8 July 1943 | B. P. Newton | Norway | 10324.0 | Sunk |
| 8 July 1943 | Eldena | USA | 6900.0 | Sunk |
| 8 July 1943 | Everagra | Latvia | 3702.0 | Damaged |
| 10 July 1943 | Scandinavia | Sweden | 1641.0 | Sunk |
| 22 February 1944 | E. G. Seubert | USA | 9181.0 | Sunk |
| 22 February 1944 | Erling Brøving | Norway | 9970.0 | Total loss |
| 22 February 1944 | San Alvaro | United Kingdom | 7385.0 | Sunk |
| 7 March 1944 | Tarifa | Norway | 7299.0 | Sunk |
| 7 March 1944 | John A. Poor | USA | 7176.0 | Sunk |
| 27 March 1944 | HMS Maaløy | United Kingdom | 249.0 | Sunk |
| 23 February 1945 | SS Point Pleasant Park | Canada | 7136.0 | Sunk |
Question:
What is the tonnage of the Eldena?
Answer:
6900.0