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:
| Match no. | Match Type | Team Europe | Score | Team USA | Progressive Total |
| --- | --- | --- | --- | --- | --- |
| 13.0 | Singles | Mika Koivuniemi | 279 - 207 | Bill Hoffman | 6 - 7 |
| 14.0 | Singles | Paul Moor | 203 - 290 | Chris Barnes | 6 - 8 |
| 15.0 | Singles | Tomas Leandersson | 223 - 220 | Tim Mack | 7 - 8 |
| 16.0 | Singles | Tore Torgersen | 234 - 208 | Doug Kent | 8 - 8 |
| 17.0 | Singles | Osku Palermaa | 204 - 212 | Tommy Jones | 8 - 9 |
Question:
When chris barnes is on team usa how many europe teams are there?
Answer:
1.0