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 | Derby County | 2–2 | Arsenal | 26 February 1972 |
| Replay | Arsenal | 0–0 | Derby County | 29 February 1972 |
| 2nd replay | Derby County | 0–1 | Arsenal | 13 March 1972 |
| 2 | Everton | 0–2 | Tottenham Hotspur | 26 February 1972 |
| 3 | Manchester United | 0–0 | Middlesbrough | 26 February 1972 |
| Replay | Middlesbrough | 0–3 | Manchester United | 29 February 1972 |
| 4 | Huddersfield Town | 4–2 | West Ham United | 26 February 1972 |
| 5 | Cardiff City | 0–2 | Leeds United | 26 February 1972 |
| 6 | Stoke City | 4–1 | Hull City | 26 February 1972 |
| 7 | Birmingham City | 3–1 | Portsmouth | 26 February 1972 |
| 8 | Orient | 3–2 | Chelsea | 26 February 1972 |
Question:
Which Tie is from birmingham city?
Answer:
7.0