German submarine U-107 (1940)

Columns: Date | Name | Flag | Tonnage ( GRT ) | Convoy | Position
8 April 1941 | Helena Margareta | United Kingdom | 3,316 | Convoy OG 57 | 33°00′N 23°52′W / 33.000°N 23.867°W / 33.000 ; -23.867 | 8 April 1941 | Eskdene | United Kingdom | 3,829 | Convoy OG 57 | 34°43′N 24°21′W / 34.717°N 24.350°W / 34.717 ; -24.350 | 9 April 1941 | Harpathian | United Kingdom | 4,671 | Convoy OG 57 | 32°22′N 22°53′W / 32.367°N 22.883°W / 32.367 ; -22.883 | 9 April 1941 | Duffield | United Kingdom | 8,516 | Convoy OG 57 | 31°13′N 23°24′W / 31.217°N 23.400°W / 31.217 ; -23.400 | 21 April 1941 | Calchas | United Kingdom | 10,305 | 23°50′N 27°00′W / 23.833°N 27.000°W / 23.833 ; -27.000 | 30 April 1941 | Lassell | United Kingdom | 7,417 | Convoy OB 309 | 12°55′N 28°56′W / 12.917°N 28.933°W / 12.917 ; -28.933 | 17 May 1941 | Marisa | Netherlands | 8,029 | 06°10′N 18°09′W / 6.167°N 18.150°W / 6.167 ; -18.150

Example questions:
What was the position of the German submarine U-107 with the flag from the country that hosts several intergovernmental organisations and international courts ? | What was the position of the German submarine U-107 whose convoy had an intact Enigma machine and a wealth of signals intelligence ? | What was the gross register tonnage of the German submarine U-107 in May from the country that is considered to be the birthplace of democracy ? | What was the gross register tonnage of the German submarine U-107 in June from the country that has the longest coastline on the Mediterranean Basin ?

Answers:
06°10′N 18°09′W / 6.167°N 18.150°W / 6.167 ; -18.150 | 09°13′N 15°09′W / 9.217°N 15.150°W / 9.217 ; -15.150 | 3,748 | 4,981