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:
| Rank by average | Competition finish | Couple | Total | Number of dances | Average |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 2.0 | Darren & Lana | 374.0 | 11.0 | 34.0 |
| 2.0 | 1.0 | Darrien & Hollie | 356.0 | 11.0 | 32.4 |
| 3.0 | 3.0 | Ben & Stephanie | 342.0 | 11.0 | 31.1 |
| 4.0 | 6.0 | Paul & Pamela | 150.0 | 5.0 | 30.0 |
| 5.0 | 8.0 | Stewart & Clare | 80.0 | 3.0 | 26.7 |
| 6.0 | 5.0 | Mark & Jennifer | 169.0 | 7.0 | 24.1 |
| 7.0 | 10.0 | Clive & Helga | 24.0 | 1.0 | 24.0 |
| 8.0 | 4.0 | JP & Stacey | 206.0 | 9.0 | 22.9 |
| 9.0 | 9.0 | Rob & Dawn | 45.0 | 2.0 | 22.5 |
Question:
what is the highest number where people got done at 31.1
Answer:
3.0