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 | Chesterfield | 2–2 | Burnley | 10 December 1983 |
| Replay | Burnley | 3–2 | Chesterfield | 19 December 1983 |
| 2 | Darlington | 0–0 | Altrincham | 10 December 1983 |
| Replay | Altrincham | 0–2 | Darlington | 14 December 1983 |
| 3 | Reading | 1–1 | Oxford United | 10 December 1983 |
| Replay | Oxford United | 3–0 | Reading | 14 December 1983 |
| 4 | Gillingham | 6–1 | Chelmsford City | 10 December 1983 |
| 5 | Bolton Wanderers | 2–0 | Mansfield Town | 10 December 1983 |
| 6 | Lincoln City | 0–0 | Sheffield United | 10 December 1983 |
| Replay | Sheffield United | 1–0 | Lincoln City | 19 December 1983 |
| 7 | Windsor & Eton | 0–0 | Bournemouth | 13 December 1983 |
| Replay | Bournemouth | 2–0 | Windsor & Eton | 19 December 1983 |
| 8 | Bangor City | 1–1 | Blackpool | 10 December 1983 |
| Replay | Blackpool | 2–1 | Bangor City | 13 December 1983 |
| 9 | Brentford | 3–2 | Wimbledon | 10 December 1983 |
| 10 | Bristol Rovers | 1–2 | Bristol City | 10 December 1983 |
| 11 | Maidstone United | 3–2 | Worcester City | 10 December 1983 |
| 12 | Northampton Town | 1–1 | Telford United | 10 December 1983 |
| Replay | Telford United | 3–2 | Northampton Town | 14 December 1983 |
| 13 | Plymouth Argyle | 2–1 | Barking | 10 December 1983 |
| 14 | Millwall | 2–3 | Swindon Town | 10 December 1983 |
| 15 | Scunthorpe United | 2–0 | Bury | 10 December 1983 |
| 16 | York City | 0–2 | Rochdale | 13 December 1983 |
| 17 | Rotherham United | 2–1 | Hull City | 10 December 1983 |
| 18 | Wigan Athletic | 1–0 | Whitby Town | 10 December 1983 |
| 19 | Colchester United | 4–0 | Wealdstone | 10 December 1983 |
| 20 | Harrow Borough | 1–3 | Newport County | 10 December 1983 |
Question:
What is the number of ties when Altrincham is the home team?
Answer:
Replay