user: Question: What is the total number of German submarines lost with more than 120958 sunk by mines?
Columns: ['Month, year', 'Sunk by U-Boat', 'Sunk by aircraft', 'Sunk by warship or raider', 'Sunk by mines', 'German submarines lost']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ["39-09 Sep. '39", 153879.0, 0.0, 5051.0, 29537.0, 2.0]
SQL:

assistant: SELECT SUM("German submarines lost") FROM "Table" WHERE "Sunk by mines" > 120958.0;