user: Question: What is the sum of gold with a rank that is 3 and a silver larger than 7?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Thailand', 17.0, 19.0, 9.0, 45.0]
SQL:

assistant: SELECT SUM("Gold") FROM "Table" WHERE "Rank" = '3' AND "Silver" > 7.0;