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:
| Country | Skip | W | L | PF | PA | Ends Won | Ends Lost | Blank Ends | Stolen Ends | Shot Pct. |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Canada | Jeff Stoughton | 10.0 | 1.0 | 84.0 | 49.0 | 47.0 | 37.0 | 17.0 | 11.0 | 90.0 |
| Scotland | Tom Brewster | 9.0 | 2.0 | 72.0 | 54.0 | 42.0 | 38.0 | 22.0 | 10.0 | 83.0 |
| Sweden | Niklas Edin | 7.0 | 4.0 | 81.0 | 58.0 | 50.0 | 39.0 | 9.0 | 13.0 | 90.0 |
| Norway | Thomas Ulsrud | 7.0 | 4.0 | 64.0 | 63.0 | 47.0 | 42.0 | 18.0 | 13.0 | 84.0 |
| France | Thomas Dufour | 7.0 | 4.0 | 75.0 | 64.0 | 48.0 | 37.0 | 10.0 | 13.0 | 83.0 |
| Germany | Andy Kapp | 6.0 | 5.0 | 71.0 | 64.0 | 48.0 | 46.0 | 13.0 | 11.0 | 80.0 |
| Switzerland | Christof Schwaller | 6.0 | 5.0 | 68.0 | 67.0 | 47.0 | 43.0 | 15.0 | 16.0 | 85.0 |
| Czech Republic | Jiri Snítil | 5.0 | 6.0 | 58.0 | 72.0 | 38.0 | 43.0 | 14.0 | 7.0 | 81.0 |
| China | Chen Lu'an | 4.0 | 7.0 | 51.0 | 71.0 | 35.0 | 47.0 | 24.0 | 4.0 | 83.0 |
| United States | Pete Fenson | 3.0 | 8.0 | 59.0 | 67.0 | 40.0 | 47.0 | 14.0 | 9.0 | 85.0 |
| South Korea | Lee Dong-keun | 2.0 | 9.0 | 61.0 | 85.0 | 39.0 | 47.0 | 13.0 | 7.0 | 80.0 |
Question:
When chen lu'an is the skip what is the lowest amount l's?
Answer:
7.0