user: Question: What is the sum of silvers for countries in rank 8 with totals over 3?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Hungary', 6.0, 2.0, 8.0, 16.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Rank" = '8' AND "Total" > 3.0;