user: Question: Which Total has a Nation of japan, and a Silver larger than 2?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Soviet Union', 6.0, 4.0, 1.0, 11.0]
SQL:

assistant: SELECT "Total" FROM "Table" WHERE "Nation" = 'japan' AND "Silver" > 2.0;