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 | Roy Barnes | Thurbert Baker | DuBose Porter | David Poythress | Undecided |
| --- | --- | --- | --- | --- | --- | --- |
| Rasmussen Reports | July 13, 2010 | 59% | 16% | 5% | 5% | 12% |
| Mason-Dixon | July 8–13, 2010 | 54% | 20% | 3% | 7% | 16% |
| Survey USA | July 7–8, 2010 | 56% | 18% | 6% | 5% | 9% |
| Survey USA | June 14–17, 2010 | 63% | 13% | 4% | 5% | 11% |
| InsiderAdvantage | April 7, 2010 | 47% | 18% | 5% | 6% | 24% |
| Rasmussen Reports | December 18, 2009 | 48% | 17% | 3% | 4% | 19% |
| Rasmussen Reports | October 20, 2009 | 43% | 19% | 4% | 4% | 21% |
| Rasmussen Reports | August 18, 2009 | 42% | 9% | 7% | 2% | 30% |
| Rasmussen Reports | June 17, 2009 | 48% | 8% | 5% | 2% | 31% |
| Strategic Vision | June 17, 2009 | 49% | 30% | 2% | 5% | 14% |
Question:
What was the undecided with Roy Barnes at 47%?
Answer:
24%