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 |
| --- | --- | --- | --- | --- | --- | --- |
| Carlton | 23.9 (147) | Fitzroy | 15.20 (110) | Princes Park | 20022.0 | 9 May 1970 |
| South Melbourne | 9.25 (79) | St Kilda | 9.8 (62) | Lake Oval | 20312.0 | 9 May 1970 |
| Geelong | 18.15 (123) | Footscray | 11.11 (77) | Kardinia Park | 21139.0 | 9 May 1970 |
| Melbourne | 10.12 (72) | Essendon | 7.15 (57) | MCG | 34219.0 | 9 May 1970 |
| North Melbourne | 10.6 (66) | Collingwood | 17.30 (132) | Arden Street Oval | 20091.0 | 9 May 1970 |
| Hawthorn | 20.10 (130) | Richmond | 21.11 (137) | VFL Park | 26133.0 | 9 May 1970 |
Question:
what was the largest attendance at kardinia park?
Answer:
21139.0