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 | Rowers | Country | Time | Notes |
| --- | --- | --- | --- | --- |
| 1.0 | Drew Ginn , Duncan Free | Australia | 6:41.15 | SA/B |
| 2.0 | Shaun Keeling , Ramon di Clemente | South Africa | 6:45.26 | SA/B |
| 3.0 | Tom Lehmann , Felix Drahotta | Germany | 6:48.60 | SA/B |
| 4.0 | Robin Bourne-Taylor , Tom Solesbury | Great Britain | 6:59.48 | R |
| 5.0 | Morten Nielsen , Thomas Larsen | Denmark | 7:17.43 | R |
Question:
What was the highest rank for rowers who represented Denmark?
Answer:
5.0