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 |
| --- | --- | --- | --- | --- |
| 1.0 | Blackpool | 6–2 | Fulham | 26 January 1957 |
| 2.0 | Bristol City | 3–0 | Rhyl | 26 January 1957 |
| 3.0 | Burnley | 9–0 | New Brighton | 26 January 1957 |
| 4.0 | Wolverhampton Wanderers | 0–1 | Bournemouth & Boscombe Athletic | 26 January 1957 |
| 5.0 | Middlesbrough | 2–3 | Aston Villa | 26 January 1957 |
| 6.0 | West Bromwich Albion | 4–2 | Sunderland | 26 January 1957 |
| 7.0 | Everton | 2–1 | West Ham United | 26 January 1957 |
| 8.0 | Wrexham | 0–5 | Manchester United | 26 January 1957 |
| 9.0 | Tottenham Hotspur | 4–0 | Chelsea | 26 January 1957 |
| 10.0 | Bristol Rovers | 1–4 | Preston North End | 26 January 1957 |
| 11.0 | Portsmouth | 1–3 | Nottingham Forest | 26 January 1957 |
| 12.0 | Millwall | 2–1 | Newcastle United | 26 January 1957 |
| 13.0 | Southend United | 1–6 | Birmingham City | 26 January 1957 |
| 14.0 | Huddersfield Town | 3–1 | Peterborough United | 26 January 1957 |
| 15.0 | Cardiff City | 0–1 | Barnsley | 26 January 1957 |
| 16.0 | Newport County | 0–2 | Arsenal | 26 January 1957 |
Question:
What was the tie number for the round against visiting opponent Chelsea?
Answer:
9.0