Table:
text: Adalbert Schnee
War record
Ships attacked
Date_ Ship Tonnage Nationality Fate
13 July 1942 Sithonia 6723 United Kingdom Sunk
15 July 1942 British Yeoman 6990 United Kingdom Sunk
25 July 1942 HMSLaertes 545 United Kingdom Sunk

Question: What tonnage is in Adalbert Schnee's list on July 25, 1942?