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 | Heat | Cyclist | Nation | Result |
| --- | --- | --- | --- | --- |
| 1.0 | 9.0 | Bradley Wiggins | Great Britain | 4:15.031 |
| 2.0 | 8.0 | Hayden Roulston | New Zealand | 4:18.990 |
| 3.0 | 9.0 | Alexei Markov | Russia | 4:21.498 |
| 4.0 | 6.0 | Volodymyr Dyudya | Ukraine | 4:21.530 |
| 5.0 | 2.0 | Steven Burke | Great Britain | 4:22.260 |
| 6.0 | 3.0 | Antonio Tauler | Spain | 4:22.462 |
| 7.0 | 6.0 | Taylor Phinney | United States | 4:22.860 |
| 8.0 | 5.0 | Alexander Serov | Russia | 4:23.732 |
| 9.0 | 7.0 | Bradley McGee | Australia | 4:26.084 |
| 10.0 | 5.0 | Sergi Escobar | Spain | 4:26.102 |
| 11.0 | 7.0 | David O'Loughlin | Ireland | 4:26.102 |
| 12.0 | 1.0 | Brett Lancaster | Australia | 4:26.139 |
| 13.0 | 3.0 | Jens Mouris | Netherlands | 4:27.445 |
| 14.0 | 4.0 | Vitaliy Popkov | Ukraine | 4:30.321 |
| 15.0 | 1.0 | Fabien Sanchez | France | 4:33.100 |
| 16.0 | 2.0 | Carlos Alzate | Colombia | 4:35.154 |
| 17.0 | 4.0 | Alexandr Pliuschin | Moldova | 4:35.438 |
| 18.0 | 8.0 | Jenning Huizenga | Netherlands | 4:37.097 |
Question:
what is the average rank when the cyclist is alexandr pliuschin?
Answer:
17.0