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 | Bib | Country | Athletes | Run 1 | Run 2 | Run 3 | Run 4 | Total | Behind |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|  | 1 | Canada (CAN-1) | Kaillie Humphries\nHeather Moyse | 57.39 | 57.73 | 57.57 | 57.92 | 3:50.61 | — |
|  | 2 | United States (USA-1) | Elana Meyers\nLauryn Williams | 57.26 TR | 57.63 | 57.69 | 58.13 | 3:50.71 | +0.10 |
|  | 3 | United States (USA-2) | Jamie Greubel\nAja Evans | 57.45 | 58.00 | 58.00 | 58.16 | 3:51.61 | +1.00 |
| 4 | 9 | Netherlands (NED-1) | Esmé Kamphuis\nJudith Vis | 57.94 | 58.10 | 58.20 | 58.03 | 3:52.27 | +1.66 |
| 5 | 4 | Germany (GER-1) | Sandra Kiriasis\nFranziska Fritz | 57.95 | 58.08 | 58.06 | 58.20 | 3:52.29 | +1.68 |
| 6 | 10 | Belgium (BEL-1) | Elfje Willemsen\nHanna Mariën | 57.92 | 58.02 | 58.33 | 58.30 | 3:52.57 | +1.96 |
| 7 | 5 | Germany (GER-2) | Cathleen Martini\nChristin Senkel | 57.99 | 58.42 | 58.17 | 58.13 | 3:52.71 | +2.10 |
| 8 | 8 | Switzerland (SUI-1) | Fabienne Meyer\nTanja Mayer | 58.18 | 58.34 | 58.29 | 58.39 | 3:53.20 | +2.59 |
| 9 | 11 | Russia (RUS-1) | Olga Stulneva\nLiudmila Udobkina | 58.03 | 58.24 | 58.45 | 58.74 | 3:53.46 | +2.85 |
| 10 | 6 | Germany (GER-3) | Anja Schneiderheinze\nStephanie Schneider | 58.17 | 58.30 | 58.53 | 58.74 | 3:53.74 | +3.13 |
| 11 | 7 | United States (USA-3) | Jazmine Fenlator\nLolo Jones | 58.27 | 58.46 | 58.50 | 58.74 | 3:53.97 | +3.36 |
| 12 | 12 | Great Britain (GBR-1) | Paula Walker\nRebekah Wilson | 58.36 | 58.40 | 58.88 | 58.60 | 3:54.24 | +3.63 |
| 13 | 13 | Canada (CAN-2) | Jennifer Ciochetti\nChelsea Valois | 58.43 | 58.63 | 58.72 | 58.71 | 3:54.49 | +3.88 |
| 14 | 14 | Australia (AUS-1) | Astrid Radjenovic\nJana Pittman | 58.62 | 58.50 | 59.06 | 58.37 | 3:54.55 | +3.94 |
| 15 | 15 | Austria (AUT-1) | Christina Hengster\nViola Kleiser | 58.59 | 58.56 | 58.73 | 58.91 | 3:54.79 | +4.18 |
| 16 | 17 | Russia (RUS-2) | Nadezhda Sergeeva\nNadezhda Paleeva | 58.80 | 58.69 | 59.27 | 59.10 | 3:55.86 | +5.25 |
| 17 | 16 | Romania (ROU-1) | Maria Constantin\nAndreea Grecu | 59.04 | 59.08 | 59.38 | 59.09 | 3:56.59 | +5.98 |
| 18 | 18 | South Korea (KOR-1) | Kim Su-Nok\nShin Mi-Hwa | 1:00.09 | 1:00.02 | 1:00.44 | 1:00.26 | 4:00.81 | +10.20 |
| 19 | 19 | Brazil (BRA-1) | Fabiana Santos\nSally Mayara da Silva | 59.57 | 1:00.45 | 1:00.73 | 1:01.20 | 4:01.95 | +11.34 |
Question:
which countries had 3 teams competing?
Answer:
United States