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 | Sutton United | 1–1 | Middlesbrough | 9 January 1988 |
| Replay | Middlesbrough | 1–0 | Sutton United | 12 January 1988 |
| 2 | Watford | 1–1 | Hull City | 9 January 1988 |
| Replay | Hull City | 2–2 | Watford | 12 January 1988 |
| Replay | Watford | 1–0 | Hull City | 18 January 1988 |
| 3 | Yeovil Town | 0–3 | Queens Park Rangers | 9 January 1988 |
| 4 | Reading | 0–1 | Southampton | 9 January 1988 |
| 5 | Gillingham | 0–3 | Birmingham City | 9 January 1988 |
| 6 | Blackburn Rovers | 1–2 | Portsmouth | 9 January 1988 |
| 7 | Sheffield Wednesday | 1–1 | Everton | 9 January 1988 |
| Replay | Everton | 1–1 | Sheffield Wednesday | 13 January 1988 |
| Replay | Everton | 1–1 | Sheffield Wednesday | 25 January 1988 |
| Replay | Sheffield Wednesday | 0–5 | Everton | 27 January 1988 |
| 8 | Derby County | 1–3 | Chelsea | 9 January 1988 |
| 9 | Swindon Town | 0–0 | Norwich City | 9 January 1988 |
| Replay | Norwich City | 0–2 | Swindon Town | 13 January 1988 |
| 10 | Shrewsbury Town | 2–1 | Bristol Rovers | 9 January 1988 |
| 11 | Sheffield United | 1–0 | Maidstone United | 9 January 1988 |
| 12 | Ipswich Town | 1–2 | Manchester United | 10 January 1988 |
| 13 | Stockport County | 1–2 | Leyton Orient | 9 January 1988 |
| 14 | Newcastle United | 1–0 | Crystal Palace | 9 January 1988 |
| 15 | Barnsley | 3–1 | Bolton Wanderers | 9 January 1988 |
| 16 | Coventry City | 2–0 | Torquay United | 9 January 1988 |
| 17 | West Ham United | 2–0 | Charlton Athletic | 9 January 1988 |
| 18 | Brighton & Hove Albion | 2–0 | Bournemouth | 9 January 1988 |
| 19 | Plymouth Argyle | 2–0 | Colchester United | 11 January 1988 |
| 20 | Bradford City | 2–1 | Wolverhampton Wanderers | 9 January 1988 |
| 21 | Oldham Athletic | 2–4 | Tottenham Hotspur | 9 January 1988 |
| 22 | Wimbledon | 4–1 | West Bromwich Albion | 9 January 1988 |
| 23 | Scunthorpe United | 0–0 | Blackpool | 9 January 1988 |
| Replay | Blackpool | 1–0 | Scunthorpe United | 12 January 1988 |
| 24 | Huddersfield Town | 2–2 | Manchester City | 9 January 1988 |
| Replay | Manchester City | 0–0 | Huddersfield Town | 12 January 1988 |
| Replay | Huddersfield Town | 0–3 | Manchester City | 25 January 1988 |
| 25 | Mansfield Town | 4–0 | Bath City | 9 January 1988 |
| 26 | Port Vale | 1–0 | Macclesfield Town | 10 January 1988 |
| 27 | Halifax Town | 0–4 | Nottingham Forest | 9 January 1988 |
| 28 | Arsenal | 2–0 | Millwall | 9 January 1988 |
| 29 | Leeds United | 1–2 | Aston Villa | 9 January 1988 |
| 30 | Stoke City | 0–0 | Liverpool | 9 January 1988 |
| Replay | Liverpool | 1–0 | Stoke City | 12 January 1988 |
| 31 | Oxford United | 2–0 | Leicester City | 9 January 1988 |
| 32 | Hartlepool United | 1–2 | Luton Town | 9 January 1988 |
Question:
What is the Tie no for Scunthorpe United?
Answer:
23.0