user: Question: Which Gold has a Total of 721?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'China (CHN)', 127.0, 63.0, 33.0, 223.0]
SQL:

assistant: SELECT "Gold" FROM "Table" WHERE "Total" = 721.0;