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 | Walsall | 0–0 | Liverpool | 17 February 1968 |
| Replay | Liverpool | 5–2 | Walsall | 19 February 1968 |
| 2 | Aston Villa | 0–1 | Rotherham United | 17 February 1968 |
| 3 | Sheffield Wednesday | 2–1 | Swindon Town | 17 February 1968 |
| 4 | Middlesbrough | 1–1 | Bristol City | 17 February 1968 |
| Replay | Bristol City | 2–1 | Middlesbrough | 20 February 1968 |
| 5 | West Bromwich Albion | 1–1 | Southampton | 17 February 1968 |
| Replay | Southampton | 2–3 | West Bromwich Albion | 21 February 1968 |
| 6 | Sheffield United | 2–1 | Blackpool | 17 February 1968 |
| 7 | Tottenham Hotspur | 3–1 | Preston North End | 17 February 1968 |
| 8 | Manchester City | 0–0 | Leicester City | 17 February 1968 |
| Replay | Leicester City | 4–3 | Manchester City | 19 February 1968 |
| 9 | Fulham | 0–0 | Portsmouth | 17 February 1968 |
| Replay | Portsmouth | 1–0 | Fulham | 21 February 1968 |
| 10 | Coventry City | 1–1 | Tranmere Rovers | 17 February 1968 |
| Replay | Tranmere Rovers | 2–0 | Coventry City | 21 February 1968 |
| 11 | Carlisle United | 0–2 | Everton | 17 February 1968 |
| 12 | Chelsea | 1–0 | Norwich City | 17 February 1968 |
| 13 | Swansea Town | 0–1 | Arsenal | 17 February 1968 |
| 14 | Leeds United | 2–1 | Nottingham Forest | 17 February 1968 |
| 15 | Stoke City | 0–3 | West Ham United | 17 February 1968 |
| 16 | Birmingham City | 3–0 | Orient | 17 February 1968 |
Question:
Who is the home team with a tie no. 12?
Answer:
Chelsea