60463
The 150 speedboats , 2 minelayers and 4 steamships of the MAS torpedo motorboats , as well as numerous shore batteries , had been stationed on Lake Ladoga since August 1941 .
 Lake Ladoga
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lake Ladoga