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 | Nationality | Tonnage | Fate |
| --- | --- | --- | --- | --- |
| 2 December 1940 | Stirlingshire | Great Britain | 6022.0 | Sunk |
| 2 December 1940 | Wilhemina | Great Britain | 6725.0 | Sunk |
| 11 December 1940 | Empire Statesman | Great Britain | 5306.0 | Sunk |
| 20 January 1941 | Florian | Great Britain | 3174.0 | Sunk |
| 29 January 1941 | West Wales | Great Britain | 4353.0 | Sunk |
| 30 January 1941 | Rushpool | Great Britain | 5125.0 | Sunk |
| 4 April 1941 | Harbledown | Great Britain | 5414.0 | Sunk |
| 6 April 1941 | Lincoln Ellsworth | Norway | 5580.0 | Sunk |
| 7 May 1941 | Ixon | Great Britain | 10263.0 | Sunk |
| 7 May 1941 | Eastern Star | Norway | 5658.0 | Sunk |
| 20 May 1941 | John P. Pedersen | Norway | 6128.0 | Sunk |
| 20 May 1941 | Norman Monarch | Great Britain | 4718.0 | Sunk |
| 15 September 1941 | Newbury | Great Britain | 5102.0 | Sunk |
| 15 September 1941 | Pegasus | Greece | 5762.0 | Sunk |
| 15 September 1941 | Empire Eland | Great Britain | 5613.0 | Sunk |
| 1 October 1941 | San Florentino | Great Britain | 12842.0 | Sunk |
| 24 February 1942 | Empire Hail | Great Britain | 7005.0 | Sunk |
| 9 March 1942 | Cayrǘ | Brazil | 5152.0 | Sunk |
| 11 March 1942 | Hvoslef | Norway | 1630.0 | Sunk |
| 25 March 1942 | Imperial Transport | Great Britain | 8022.0 | Damaged |
| 12 May 1942 | Cocle | Panama | 5630.0 | Sunk |
| 13 May 1942 | Tolken | Sweden | 4471.0 | Sunk |
| 13 May 1942 | Batna | Great Britain | 4399.0 | Sunk |
| 5 June 1942 | Maria da Glória * | Portugal | 320.0 | Sunk |
| 10 June 1942 | Ramsay | Great Britain | 4855.0 | Sunk |
| 10 June 1942 | Empire Clough | Great Britain | 6147.0 | Sunk |
| 11 June 1942 | Pontypridd | Great Britain | 4458.0 | Sunk |
Question:
What was the tonnage of the Great Britain ship Batna?
Answer:
4399.0