user: Question: What is the total number of gold medals won by nations that won 2 silver medals but fewer than 7 in total?
Columns: ['Rank', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['1', 18.0, 12.0, 7.0, 37.0]
SQL:

assistant: SELECT SUM("Gold") FROM "Table" WHERE "Silver" = 2.0 AND "Total" < 7.0;