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:
| Episode no. | Airdate | Viewers | BBC Three weekly ranking | Cable rank |
| --- | --- | --- | --- | --- |
| 1.0 | 25 April 2013 | 979,000 | 2 | 9 |
| 2.0 | 2 May 2013 | 978,000 | 1 | 11 |
| 3.0 | 9 May 2013 | 885,000 | 1 | 11 |
| 4.0 | 16 May 2013 | 880,000 | 1 | 13 |
| 5.0 | 23 May 2013 | 1,092,000 | 1 | 5 |
| 6.0 | 30 May 2013 | 1,094,000 | 1 | 3 |
| 7.0 | 6 June 2013 | 975,000 | 2 | 6 |
| 8.0 | 13 June 2013 | 840,000 | 5 | 19 |
| 9.0 | 20 June 2013 | 1,204,000 | 6 | 9 |
| 10.0 | 27 June 2013 | 730,000 | N/A | 28 |
| 11.0 | 4 July 2013 | N/A | N/A | N/A |
Question:
List the number of bbc rankings with cable rankings of 6.
Answer:
2.0