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 | Bury | 0–1 | Burnley | 10 January 1956 |
| 2 | Liverpool | 2–0 | Accrington Stanley | 7 January 1956 |
| 3 | Walsall | 0–1 | Port Vale | 7 January 1956 |
| 4 | Notts County | 0–1 | Fulham | 7 January 1956 |
| 5 | Aston Villa | 1–1 | Hull City | 7 January 1956 |
| Replay | Hull City | 1–2 | Aston Villa | 12 January 1956 |
| 6 | Sheffield Wednesday | 1–3 | Newcastle United | 7 January 1956 |
| 7 | Bolton Wanderers | 3–0 | Huddersfield Town | 11 January 1956 |
| 8 | Wolverhampton Wanderers | 1–2 | West Bromwich Albion | 7 January 1956 |
| 9 | Sunderland | 4–2 | Norwich City | 7 January 1956 |
| 10 | Lincoln City | 2–3 | Southend United | 7 January 1956 |
| 11 | Luton Town | 0–4 | Leicester City | 11 January 1956 |
| 12 | Everton | 3–1 | Bristol City | 7 January 1956 |
| 13 | Swindon Town | 1–0 | Worksop Town | 7 January 1956 |
| 14 | Doncaster Rovers | 3–0 | Nottingham Forest | 7 January 1956 |
| 15 | Sheffield United | 5–0 | Barrow | 7 January 1956 |
| 16 | Tottenham Hotspur | 4–0 | Boston United | 7 January 1956 |
| 17 | Manchester City | 2–1 | Blackpool | 11 January 1956 |
| 18 | Bristol Rovers | 4–0 | Manchester United | 7 January 1956 |
| 19 | Northampton Town | 1–2 | Blackburn Rovers | 7 January 1956 |
| 20 | Portsmouth | 3–1 | Grimsby Town | 7 January 1956 |
| 21 | West Ham United | 5–2 | Preston North End | 7 January 1956 |
| 22 | Bradford Park Avenue | 0–4 | Middlesbrough | 7 January 1956 |
| 23 | Exeter City | 0–0 | Stoke City | 7 January 1956 |
| Replay | Stoke City | 3–0 | Exeter City | 9 January 1956 |
| 24 | Hartlepools United | 0–1 | Chelsea | 7 January 1956 |
| 25 | Swansea Town | 1–2 | York City | 7 January 1956 |
| 26 | Charlton Athletic | 7–0 | Burton Albion | 7 January 1956 |
| 27 | Arsenal | 2–2 | Bedford Town | 7 January 1956 |
| Replay | Bedford Town | 1–2 | Arsenal | 12 January 1956 |
| 28 | Leeds United | 1–2 | Cardiff City | 7 January 1956 |
| 29 | Torquay United | 1–7 | Birmingham City | 7 January 1956 |
| 30 | Rotherham United | 1–1 | Scunthorpe & Lindsey United | 7 January 1956 |
| Replay | Scunthorpe & Lindsey United | 4–2 | Rotherham United | 12 January 1956 |
| 31 | Aldershot | 1–2 | Barnsley | 7 January 1956 |
| 32 | Leyton Orient | 1–0 | Plymouth Argyle | 7 January 1956 |
Question:
Which Tie number had Middlesbrough as the away team?
Answer:
22.0