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 |
| --- | --- | --- | --- | --- | --- | --- |
| North Melbourne | 11.18 (84) | Hawthorn | 8.9 (57) | Arden Street Oval | 9000.0 | 31 July 1948 |
| St Kilda | 11.6 (72) | Fitzroy | 9.10 (64) | Junction Oval | 12000.0 | 31 July 1948 |
| Geelong | 10.18 (78) | Collingwood | 10.13 (73) | Kardinia Park | 19000.0 | 31 July 1948 |
| Melbourne | 6.8 (44) | Richmond | 15.16 (106) | MCG | 41000.0 | 7 August 1948 |
| Essendon | 11.21 (87) | South Melbourne | 8.11 (59) | Windy Hill | 14000.0 | 7 August 1948 |
| Footscray | 4.17 (41) | Carlton | 15.19 (109) | Western Oval | 17500.0 | 7 August 1948 |
Question:
What date did the Home team score 11.21 (87)?
Answer:
7 August 1948