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 | Athlete | Country | Time | Notes |
| --- | --- | --- | --- | --- |
|  | Nataliya Petrusyova | Soviet Union | 1:24.10 | OR |
|  | Leah Poulos | United States | 1:25.41 |  |
|  | Sylvia Albrecht | East Germany | 1:26.46 |  |
| 4 | Karin Enke | East Germany | 1:26.66 |  |
| 5 | Beth Heiden | United States | 1:27.01 |  |
| 6 | Annie Borckink | Netherlands | 1:27.24 |  |
| 7 | Sylvia Burka | Canada | 1:27.50 |  |
| 8 | Ann-Sofie Järnström | Sweden | 1:28.10 |  |
| 9 | Sylvia Filipsson | Sweden | 1:28.18 |  |
| 10 | Annette Carlén-Karlsson | Sweden | 1:28.25 |  |
| 11 | Valentina Lalenkova | Soviet Union | 1:28.27 |  |
| 12 | Bjørg Eva Jensen | Norway | 1:28.55 |  |
| 13 | Sijtje van der Lende | Netherlands | 1:28.72 |  |
| 14 | Sarah Docter | United States | 1:28.80 |  |
| 14 | Haitske Valentijn-Pijlman | Netherlands | 1:28.80 |  |
| 16 | Erwina Ryś-Ferens | Poland | 1:28.82 |  |
| 17 | Miyoshi Kato | Japan | 1:28.97 |  |
| 18 | Christa Rothenburger | East Germany | 1:29.69 |  |
| 19 | Brenda Webster | Canada | 1:29.84 |  |
| 20 | Irina Kuleshova-Kovrova | Soviet Union | 1:29.94 |  |
| 21 | Monika Pflug | West Germany | 1:30.13 |  |
| 22 | Makiko Nagaya | Japan | 1:30.27 |  |
| 23 | Sigrid Smuda | West Germany | 1:30.29 |  |
| 24 | Kathy Vogt | Canada | 1:30.33 |  |
| 25 | Yuko Yaegashi-Ota | Japan | 1:30.72 |  |
| 26 | Lee Nam-Sun | South Korea | 1:31.30 |  |
| 27 | Cao Guifeng | China | 1:31.74 |  |
| 28 | Anneli Repola | Finland | 1:31.76 |  |
| 29 | Silvia Brunner | Switzerland | 1:31.79 |  |
| 30 | Lee Seong-Ae | South Korea | 1:32.04 |  |
| 31 | Zhang Li | China | 1:32.20 |  |
| 32 | Shen Zhenshu | China | 1:32.49 |  |
| 33 | Brigitte Flierl | West Germany | 1:33.61 |  |
| 34 | Kim Yeong-Hui | South Korea | 1:34.17 |  |
| 35 | Kim Ferran | Great Britain | 1:34.19 |  |
| 36 | Marzia Peretti | Italy | 1:35.66 |  |
| 37 | Mandy Horsepool | Great Britain | 1:36.31 |  |
Question:
how many athletes are from east germany?
Answer:
3