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 | 1–4 | Cardiff City | 11 December 1988 |
| 2 | Blackpool | 3–0 | Bury | 10 December 1988 |
| 3 | Bath City | 0–0 | Welling United | 10 December 1988 |
| Replay | Welling United | 3–2 | Bath City | 14 December 1988 |
| 4 | Yeovil Town | 1–1 | Torquay United | 10 December 1988 |
| Replay | Torquay United | 1–0 | Yeovil Town | 14 December 1988 |
| 5 | Reading | 1–1 | Maidstone United | 10 December 1988 |
| Replay | Maidstone United | 1–2 | Reading | 14 December 1988 |
| 6 | Bolton Wanderers | 1–2 | Port Vale | 10 December 1988 |
| 7 | Grimsby Town | 3–2 | Rotherham United | 10 December 1988 |
| 8 | Northwich Victoria | 1–2 | Tranmere Rovers | 10 December 1988 |
| 9 | Scarborough | 0–1 | Carlisle United | 10 December 1988 |
| 10 | Doncaster Rovers | 1–3 | Sheffield United | 11 December 1988 |
| 11 | Aylesbury United | 0–1 | Sutton United | 10 December 1988 |
| 12 | Altrincham | 0–3 | Halifax Town | 10 December 1988 |
| 13 | Bognor Regis Town | 0–1 | Cambridge United | 10 December 1988 |
| 14 | Huddersfield Town | 1–0 | Chester City | 10 December 1988 |
| 15 | Runcorn | 0–3 | Crewe Alexandra | 10 December 1988 |
| 16 | Kettering Town | 2–1 | Bristol Rovers | 10 December 1988 |
| 17 | Aldershot | 1–1 | Bristol City | 10 December 1988 |
| Replay | Bristol City | 0–0 | Aldershot | 13 December 1988 |
| Replay | Aldershot | 2–2 | Bristol City | 20 December 1988 |
| Replay | Bristol City | 1–0 | Aldershot | 22 December 1988 |
| 18 | Peterborough United | 0–0 | Brentford | 10 December 1988 |
| Replay | Brentford | 3–2 | Peterborough United | 14 December 1988 |
| 19 | Colchester United | 2–2 | Swansea City | 10 December 1988 |
| Replay | Swansea City | 1–3 | Colchester United | 13 December 1988 |
| 20 | Hartlepool United | 1–0 | Notts County | 10 December 1988 |
Question:
What is the Tie no when Swansea City is the Away team with a Score of 2–2?
Answer:
19.0