Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Tie no | Home team | Score | Away team | Date |
| --- | --- | --- | --- | --- |
| 1 | Enfield | 2–0 | Hereford United | 13 December 1980 |
| 2 | Barnet | 0–1 | Peterborough United | 13 December 1980 |
| 3 | Burnley | 1–1 | Port Vale | 13 December 1980 |
| Replay | Port Vale | 2–0 | Burnley | 16 December 1980 |
| 4 | Bury | 2–0 | Lincoln City | 13 December 1980 |
| 5 | Gillingham | 0–0 | Maidstone United | 13 December 1980 |
| Replay | Maidstone United | 0–0 | Gillingham | 16 December 1980 |
| Replay | Gillingham | 0–2 | Maidstone United | 22 December 1980 |
| 6 | Doncaster Rovers | 2–1 | Blackpool | 13 December 1980 |
| 7 | Sheffield United | 1–1 | Chesterfield | 13 December 1980 |
| Replay | Chesterfield | 1–0 | Sheffield United | 16 December 1980 |
| 8 | Tranmere Rovers | 0–3 | Huddersfield Town | 13 December 1980 |
| 9 | Fulham | 1–0 | Brentford | 13 December 1980 |
| 10 | Plymouth Argyle | 3–0 | Oxford United | 13 December 1980 |
| 11 | Millwall | 0–1 | Exeter City | 13 December 1980 |
| 12 | Hull City | 1–1 | Blyth Spartans | 13 December 1980 |
| Replay | Blyth Spartans | 2–2 | Hull City | 16 December 1980 |
| Replay | Hull City | 2–1 | Blyth Spartans | 22 December 1980 |
| 13 | Carlisle United | 3–0 | Walsall | 13 December 1980 |
| 14 | Wimbledon | 2–0 | Swindon Town | 13 December 1980 |
| 15 | St Albans City | 1–1 | Torquay United | 13 December 1980 |
| Replay | Torquay United | 4–1 | St Albans City | 17 December 1980 |
| 16 | Scunthorpe United | 0–0 | Altrincham | 13 December 1980 |
| Replay | Altrincham | 1–0 | Scunthorpe United | 15 December 1980 |
| 17 | Charlton Athletic | 2–1 | Bournemouth | 13 December 1980 |
| 18 | Rotherham United | 0–1 | Barnsley | 13 December 1980 |
| 19 | Colchester United | 1–1 | Yeovil Town | 13 December 1980 |
| Replay | Yeovil Town | 0–2 | Colchester United | 17 December 1980 |
| 20 | Mossley F.C. | 1–3 | Mansfield Town | 13 December 1980 |
Question:
What away team has 12 as the tie no.?
Answer:
Blyth Spartans