Table:
text: 1980–81 FA Cup
First round proper
First round proper
Tie_no Home_team Score Away_team Date_
31 Kettering Town 1–1 Maidstone United 22 November 1980
Replay Maidstone United 0–0 Kettering Town 26 November 1980
Replay Maidstone United 3–1 Kettering Town 1 December 1980
32 Wigan Athletic 2–2 Chesterfield 22 November 1980
Replay Chesterfield 2–0 Wigan Athletic 25 November 1980
33 Boston United 0–4 Rotherham United 22 November 1980
34 Harlow Town 0–2 Charlton Athletic 22 November 1980
35 Colchester United 3–0 Portsmouth 22 November 1980
36 Gravesend & Northfleet 1–2 St Albans City 22 November 1980
37 Burscough 1–2 Altrincham 22 November 1980
38 Mossley F.C. 1–0 Crewe Alexandra 22 November 1980
39 Sutton Coldfield Town 0–2 Doncaster Rovers 22 November 1980
40 Oxford United 1–0 Aldershot 22 November 1980

Question: What is an away team when the home team is 'Boston United' in the 1980-81 FA Cup first round?