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:
| Poll Source | Dates administered | Democrat: John Kerry | Republican: Jeff Beatty | Lead Margin |
| --- | --- | --- | --- | --- |
| Survey USA | October 28, 2008 | 58% | 34% | 24.0 |
| Survey USA | October 14, 2008 | 59% | 29% | 30.0 |
| Rasmussen Reports | October 13, 2008 | 63% | 31% | 32.0 |
| Rasmussen Reports | September 23, 2008 | 65% | 30% | 35.0 |
| Survey USA | September 22-September 23, 2008 | 63% | 25% | 38.0 |
| Rasmussen Reports | August 5, 2008 | 59% | 32% | 27.0 |
| Rasmussen Reports | June 30, 2008 | 58% | 27% | 31.0 |
| Rasmussen Reports | May 28, 2008 | 63% | 25% | 38.0 |
| Rasmussen Reports | April 22, 2008 | 55% | 30% | 25.0 |
Question:
what is the maximum lead margin on august 5, 2008?
Answer:
27.0