user: Question: What is the total number of medals by the Czech Republic?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Russia', 13.0, 9.0, 8.0, 30.0]
SQL:

assistant: SELECT "Total" FROM "Table" WHERE "Nation" = 'Czech Republic';