user: Question: How many bronze medals did west germany win when they had less than 2 silver medals?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Soviet Union', 2.0, 1.0, 0.0, 3.0]
SQL:

assistant: SELECT SUM("Bronze") FROM "Table" WHERE "Nation" = 'west germany' AND "Silver" < 2.0;