Table:
text: German submarine U-94 (1940)
Summary of raiding history
Summary of raiding history
Date_ Ship Nationality Tonnage Fate
15 September 1941 Newbury Great Britain 5102 Sunk
15 September 1941 Pegasus Greece 5762 Sunk
15 September 1941 Empire Eland Great Britain 5613 Sunk
1 October 1941 San Florentino Great Britain 12842 Sunk
24 February 1942 Empire Hail Great Britain 7005 Sunk
9 March 1942 Cayrǘ Brazil 5152 Sunk
11 March 1942 Hvoslef Norway 1630 Sunk
25 March 1942 Imperial Transport Great Britain 8022 Damaged
12 May 1942 Cocle Panama 5630 Sunk
13 May 1942 Tolken Sweden 4471 Sunk
13 May 1942 Batna Great Britain 4399 Sunk
5 June 1942 Maria da Glória * Portugal 320 Sunk
10 June 1942 Ramsay Great Britain 4855 Sunk

text: German submarine U-94 (1940)
Summary of raiding history
Summary of raiding history
Date_ Ship Nationality Tonnage Fate
10 June 1942 Empire Clough Great Britain 6147 Sunk
11 June 1942 Pontypridd Great Britain 4458 Sunk

text: German submarine U-94 (1940)
Summary of raiding history
Summary of raiding history
Date_ Ship Nationality Tonnage Fate
2 December 1940 Stirlingshire Great Britain 6022 Sunk
2 December 1940 Wilhemina Great Britain 6725 Sunk
11 December 1940 Empire Statesman Great Britain 5306 Sunk
20 January 1941 Florian Great Britain 3174 Sunk
29 January 1941 West Wales Great Britain 4353 Sunk
30 January 1941 Rushpool Great Britain 5125 Sunk
4 April 1941 Harbledown Great Britain 5414 Sunk
6 April 1941 Lincoln Ellsworth Norway 5580 Sunk
7 May 1941 Ixon Great Britain 10263 Sunk
7 May 1941 Eastern Star Norway 5658 Sunk
20 May 1941 John P. Pedersen Norway 6128 Sunk
20 May 1941 Norman Monarch Great Britain 4718 Sunk

Question: What was the tonnage of the British ship Batna in the German submarine U-94 (1940)?