user: Question: What country has a time of 6:49.28?
Columns: ['Rank', 'Rowers', 'Country', 'Time', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Zac Purchase , Mark Hunter', 'Great Britain', '6:29.56', 'FA']
SQL:

assistant: SELECT "Country" FROM "Table" WHERE "Time" = '6:49.28';