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 | Birmingham | 2–0 | Port Vale | 24 January 1931 |
| 2 | Bury | 1–2 | Exeter City | 24 January 1931 |
| 3 | Watford | 2–0 | Brighton & Hove Albion | 24 January 1931 |
| 4 | Blackburn Rovers | 5–1 | Bristol Rovers | 24 January 1931 |
| 5 | Bolton Wanderers | 1–1 | Sunderland | 24 January 1931 |
| Replay | Sunderland | 3–1 | Bolton Wanderers | 28 January 1931 |
| 6 | Grimsby Town | 1–0 | Manchester United | 24 January 1931 |
| 7 | West Bromwich Albion | 1–0 | Tottenham Hotspur | 24 January 1931 |
| 8 | Sheffield United | 4–1 | Notts County | 24 January 1931 |
| 9 | Barnsley | 2–1 | Sheffield Wednesday | 24 January 1931 |
| 10 | Brentford | 0–1 | Portsmouth | 24 January 1931 |
| 11 | Bradford City | 0–0 | Wolverhampton Wanderers | 24 January 1931 |
| Replay | Wolverhampton Wanderers | 4–2 | Bradford City | 28 January 1931 |
| 12 | Crystal Palace | 0–6 | Everton | 24 January 1931 |
| 13 | Chelsea | 2–1 | Arsenal | 24 January 1931 |
| 14 | Bradford Park Avenue | 2–0 | Burnley | 24 January 1931 |
| 15 | Southport | 2–1 | Blackpool | 24 January 1931 |
| 16 | Leeds United | 4–1 | Newcastle United | 24 January 1931 |
Question:
What was the Tie Number of the Bradford City away team?
Answer:
Replay