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 | 1.0 | Jill & Darren | 371.0 | 11.0 | 33.7 |
| 2.0 | 2.0 | Denise & Ian | 359.0 | 11.0 | 32.6 |
| 3.0 | 4.0 | Aled & Lilia | 256.0 | 9.0 | 28.4 |
| 4.0 | 6.0 | Sarah & Brendan | 140.0 | 5.0 | 28.0 |
| 5.0 | 3.0 | Julian & Erin | 269.0 | 11.0 | 24.5 |
| 6.0 | 5.0 | Roger & Camilla | 165.0 | 7.0 | 23.6 |
| 7.0 | 9.0 | Carol & Paul | 42.0 | 2.0 | 21.0 |
| 8.0 | 8.0 | Esther & Anton | 56.0 | 3.0 | 18.7 |
| 9.0 | 7.0 | Diarmuid & Nicole | 55.0 | 4.0 | 13.8 |
Question:
What couple averaged 21.0?
Answer:
Carol & Paul