user: Question: Who were the rowers who had a time of 7:39.70?
Columns: ['Rank', 'Rowers', 'Country', 'Time', 'Notes']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Xu Dongxiang , Chen Haixia', 'China', '6:57.58', 'SA/B']
SQL:

assistant: SELECT "Rowers" FROM "Table" WHERE "Time" = '7:39.70';