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:
| Home team | Home team score | Away team | Away team score | Venue | Crowd | Date |
| --- | --- | --- | --- | --- | --- | --- |
| Geelong | 13.17 (95) | South Melbourne | 6.5 (41) | Kardinia Park | 22000.0 | 21 April 1951 |
| Essendon | 13.8 (86) | Melbourne | 10.16 (76) | Windy Hill | 24000.0 | 21 April 1951 |
| Collingwood | 20.21 (141) | North Melbourne | 7.6 (48) | Victoria Park | 23000.0 | 21 April 1951 |
| Carlton | 13.9 (87) | Hawthorn | 7.15 (57) | Princes Park | 13000.0 | 21 April 1951 |
| Richmond | 15.9 (99) | Footscray | 15.10 (100) | Punt Road Oval | 22000.0 | 21 April 1951 |
| St Kilda | 10.18 (78) | Fitzroy | 16.12 (108) | Junction Oval | 27000.0 | 21 April 1951 |
Question:
How big was the crowd when the home team scored 20.21 (141)?
Answer:
23000.0