user: Question: How many Silver medals were won in total by all those with more than 3 bronze and exactly 16 gold?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Faroe Islands', 34.0, 23.0, 24.0, 81.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Bronze" > 3.0 AND "Gold" = 16.0;