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 | Heat | Country | Cyclists | Result | Notes |
| --- | --- | --- | --- | --- | --- |
| 1 | 6 | Great Britain | Chris Hoy\nJason Kenny\nJamie Staff | 42.950 | Q, WR |
| 2 | 7 | France | Grégory Baugé\nKévin Sireau\nArnaud Tournant | 43.541 | Q |
| 3 | 6 | Germany | René Enders\nMaximilian Levy\nStefan Nimke | 44.197 | Q |
| 4 | 7 | Netherlands | Theo Bos\nTeun Mulder\nTim Veldt | 44.213 | Q |
| 5 | 5 | Australia | Daniel Ellis\nMark French\nShane Kelly | 44.335 | Q |
| 6 | 1 | Japan | Kiyofumi Nagai\nTomohiro Nagatsuka\nKazunari Watanabe | 44.454 | Q |
| 7 | 3 | Malaysia | Azizulhasni Awang\nJosiah Ng\nMohd Rizal Tisin | 44.752 | Q |
| 8 | 2 | United States | Michael Blatchford\nAdam Duvendeck\nGiddeon Massie | 45.346 | Q |
| 9 | 4 | China | Feng Yong\nLi Wenhao\nZhang Lei | 45.556 |  |
| 10 | 3 | Greece | Athanasios Mantzouranis\nVasileios Reppas\nPanagiotis Voukelatos | 45.645 |  |
| 11 | 2 | Czech Republic | Tomáš Bábek\nAdam Ptáčník\nDenis Špička | 45.678 |  |
| 12 | 5 | Russia | Sergey Polynskiy\nDenis Dmitriev\nSergey Kucherov | 45.964 |  |
| 13 | 1 | Poland | Maciej Bielecki\nKamil Kuczyński\nŁukasz Kwiatkowski | 45.266 |  |
Question:
name the number of teams in the 6th heat.
Answer:
2