user: Question: Who was the away captain for matches played at Trent Bridge?
Columns: ['Date', 'Home captain', 'Away captain', 'Venue', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['3,4,5,6,7 June 1993', 'Graham Gooch', 'Allan Border', 'Old Trafford', 'AUS by 179 runs']
SQL:

assistant: SELECT "Away captain" FROM "Table" WHERE "Venue" = 'Trent Bridge';