German submarine U-338
Summary of raiding history
Table:
Date

Name

Nationality

Tonnage
(GRT)

Fate

17 March 1943

Alderamin

Netherlands

7,886

Sunk

17 March 1943

Fort Cedar Lake

United Kingdom

7,134

Damaged

17 March 1943

Granville

Panama

4,071

Sunk

17 March 1943

King Gruffydd

United Kingdom

5,072

Sunk

17 March 1943

Kingsbury

United Kingdom

4,898

Sunk

Referring to the table titled "Summary of raiding history" section of German submarine U-338, provide an answer in a short sentence to the question below: What British ships did the U-338 sink on March 17 and what were their tonnages? Output only the correct answer as {"answer": "YOUR ANSWER"}.

answer: On March 17, U-338 sank two British merchant ships: the 4,898 ton Kingsbury, and the 5,072 ton King Gruffydd.