Table:
text: German submarine U-333
Raiding career
Ships attacked by U-333
Date_ Ship Tons Nationality Fate_and_location
22 January 1942 Vassilios A. Polemis 3429 Greece Sunk at
24 January 1942 Ringstad 4765 Norway Sunk at
31 January 1942 Spreewald 5083 Nazi Germany Sunk at
6 May 1942 Amazone 1294 Netherlands Sunk at
6 May 1942 Halsey 7088 United States Sunk at
6 May 1942 Java Arrow 8327 United States Damaged at
10 May 1942 Clan Skene 5214 United Kingdom Sunk at
6 October 1942 HMSCrocus 925 United Kingdom Damaged at
19 March 1943 Carras 5234 Greece Sunk at

Question: What was the fate and whereabouts of the German submarine U-333 in Ringstad?