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 | Lane | Name | Nationality | Time |
| --- | --- | --- | --- | --- |
| 1.0 | 4.0 | Eamon Sullivan | Australia | 47.05 |
| 2.0 | 3.0 | Pieter van den Hoogenband | Netherlands | 47.68 |
| 3.0 | 7.0 | Matt Targett | Australia | 47.88 |
| 4.0 | 2.0 | Filippo Magnini | Italy | 48.11 |
| 5.0 | 6.0 | Garrett Weber-Gale | United States | 48.12 |
| 6.0 | 5.0 | Brent Hayden | Canada | 48.2 |
| 7.0 | 1.0 | Andrey Grechin | Russia | 48.71 |
| 8.0 | 8.0 | Dominik Meichtry | Switzerland | 49.58 |
Question:
what is the average rank when the lane is more than 4 and the name is dominik meichtry?
Answer:
8.0