user: Question: What is the sum of silvers for teams with ranks over 3 and totals under 2?
Columns: ['Rank', 'Republic', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Russian SFSR', 60.0, 22.0, 20.0, 102.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Rank" > 3.0 AND "Total" < 2.0;