user: Question: What is the away team of the game with tie number 31?
Columns: ['Tie no', 'Home team', 'Score', 'Away team', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Darlington', '1 – 1', 'Northampton Town', '2,964']
SQL:

assistant: SELECT "Away team" FROM "Table" WHERE "Tie no" = '31';