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 | Mads Rasmussen , Rasmus Quist | Denmark | 6:14.84 | SA/B |
| 2.0 | Douglas Vandor , Cameron Sylvester | Canada | 6:17.58 | SA/B |
| 3.0 | Zsolt Hirling , Tamás Varga | Hungary | 6:19.60 | R |
| 4.0 | Rodolfo Collazo , Angel Javier Garcia | Uruguay | 6:25.86 | R |
| 5.0 | Thiago Gomes , Thiago Almeida | Brazil | 6:30.78 | R |
Question:
What is the Notes of the Country with a Rank of 4?
Answer:
R