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 | Blackpool | 0–1 | Bournemouth | 7 January 1989 |
| 2 | Sutton United | 2–1 | Coventry City | 7 January 1989 |
| 3 | Walsall | 1–1 | Brentford | 7 January 1989 |
| Replay | Brentford | 1–0 | Walsall | 10 January 1989 |
| 4 | Nottingham Forest | 3–0 | Ipswich Town | 7 January 1989 |
| 5 | Sheffield Wednesday | 5–1 | Torquay United | 7 January 1989 |
| 6 | Crewe Alexandra | 2–3 | Aston Villa | 7 January 1989 |
| 7 | Middlesbrough | 1–2 | Grimsby Town | 7 January 1989 |
| 8 | West Bromwich Albion | 1–1 | Everton | 7 January 1989 |
| Replay | Everton | 1–0 | West Bromwich Albion | 11 January 1989 |
| 9 | Sunderland | 1–1 | Oxford United | 7 January 1989 |
| Replay | Oxford United | 2–0 | Sunderland | 11 January 1989 |
| 10 | Derby County | 1–1 | Southampton | 7 January 1989 |
| Replay | Southampton | 1–2 | Derby County | 10 January 1989 |
| 11 | Shrewsbury Town | 0–3 | Colchester United | 7 January 1989 |
| 12 | Tranmere Rovers | 1–1 | Reading | 7 January 1989 |
| Replay | Reading | 2–1 | Tranmere Rovers | 11 January 1989 |
| 13 | Newcastle United | 0–0 | Watford | 7 January 1989 |
| Replay | Watford | 2–2 | Newcastle United | 10 January 1989 |
| Replay | Newcastle United | 0–0 | Watford | 16 January 1989 |
| Replay | Watford | 1–0 | Newcastle United | 18 January 1989 |
| 14 | Manchester City | 1–0 | Leicester City | 7 January 1989 |
| 15 | Barnsley | 4–0 | Chelsea | 7 January 1989 |
| 16 | Portsmouth | 1–1 | Swindon Town | 7 January 1989 |
| Replay | Swindon Town | 2–0 | Portsmouth | 10 January 1989 |
| 17 | West Ham United | 2–2 | Arsenal | 8 January 1989 |
| Replay | Arsenal | 0–1 | West Ham United | 11 January 1989 |
| 18 | Brighton & Hove Albion | 1–2 | Leeds United | 7 January 1989 |
| 19 | Manchester United | 0–0 | Queens Park Rangers | 7 January 1989 |
| Replay | Queens Park Rangers | 2–2 | Manchester United | 11 January 1989 |
| Replay | Manchester United | 3–0 | Queens Park Rangers | 23 January 1989 |
| 20 | Plymouth Argyle | 2–0 | Cambridge United | 7 January 1989 |
| 21 | Bradford City | 1–0 | Tottenham Hotspur | 7 January 1989 |
| 22 | Millwall | 3–2 | Luton Town | 7 January 1989 |
| 23 | Carlisle United | 0–3 | Liverpool | 7 January 1989 |
| 24 | Huddersfield Town | 0–1 | Sheffield United | 7 January 1989 |
| 25 | Cardiff City | 1–2 | Hull City | 7 January 1989 |
| 26 | Port Vale | 1–3 | Norwich City | 8 January 1989 |
| 27 | Charlton Athletic | 2–1 | Oldham Athletic | 7 January 1989 |
| 28 | Kettering Town | 1–1 | Halifax Town | 7 January 1989 |
| Replay | Halifax Town | 2–3 | Kettering Town | 10 January 1989 |
| 29 | Stoke City | 1–0 | Crystal Palace | 7 January 1989 |
| 30 | Birmingham City | 0–1 | Wimbledon | 7 January 1989 |
| 31 | Hartlepool United | 1–0 | Bristol City | 7 January 1989 |
| 32 | Welling United | 0–1 | Blackburn Rovers | 7 January 1989 |
Question:
What is the Date of Tie no 21?
Answer:
7 January 1989