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:
| Date | Opponents | Venue | Result | Scorers | Attendance | Report 1 | Report 2 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 27-Jan-68 | Bournemouth | A | 0–0 |  | 24,388 | Report | Report |
| 30-Jan-68 | Bournemouth | H | 4–1 | Hateley  33' Thompson  44' Hunt  51' Lawler  73' | 54,075 | Report | Report |
| 17-Feb-68 | Walsall | A | 0–0 |  | 21,066 | Report | Report |
| 19-Feb-68 | Walsall | H | 5–2 | Hateley  24', 33', 64', 71' Strong  34' | 39,113 | Report | Report |
| 09-Mar-68 | Tottenham Hotspur | A | 1–1 | Hateley  54' | 54,005 | Report | Report |
| 12-Mar-68 | Tottenham Hotspur | H | 2–1 | Hunt  23' Smith  78 pen' | 53,658 | Report | Report |
| 30-Mar-68 | West Bromwich Albion | A | 0–0 |  | 53,062 | Report | Report |
| 08-Apr-68 | West Bromwich Albion | H | 1–1 | Hateley  24' | 54,273 | Report | Report |
| 18-Apr-68 | West Bromwich Albion | N | 1–2 | Hateley  39' | 56,000 | Report | Report |
Question:
how many attended the 18-apr-68 match?
Answer:
56,000