Table:
text: List of battles and other violent events by death toll
Prior to World War I
Prior to World War I
Estimate Name_ Nat_ Ship_Type Principal_victims Where_sunk Date_
1300–1900 SS Sultana US Transport Steamboat Union POWs formerly held by the Confederate Army Mississippi River near Memphis April 27, 1865
900 HMSVictory GB 1st-rate Crew The Casquets Oct 3, 1744
838 HMSSt George UK 1st-rate Crew North Sea Dec 24, 1811
800+ Kronan SE 1st-rate Crew Baltic Sea Jun, 1 1676
800+ HMSRoyal George GB 1st-rate Crew Spithead Aug 29, 1782
800 HMSAssociation GB 2nd-rate Crew Isles of Scilly Oct 22, 1707
699 HMS Ramilles GB 3rd-rate Crew Bolt Head Feb 15, 1760
673 HMSQueen Charlotte GB 1st-rate Crew Livorno Mar 17, 1800

text: List of battles and other violent events by death toll
Prior to World War I
Prior to World War I
Estimate Name_ Nat_ Ship_Type Principal_victims Where_sunk Date_
566 General Lyon US Transport Discharged Union soldiers, Confederate s POW Cape Hatteras Mar 31, 1865
600 HMSHero UK 3rd-rate Crew Wadden Sea Dec 28, 1811
555 HMSDefence UK 3rd-rate Crew North Sea Dec 24, 1811
380 Mary Rose Eng Carrack Soldiers, crew The Solent Jul 19, 1545
372 Arniston Eng East Indiaman Soldiers, crew & their family Cape Agulhas May 30, 1815

Question: Among the list of battles and other violent events that killed, what are the casualties of the US ship that sank in the Mississippi River near Memphis before World War I?