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:
| Player | Position | Date of Birth (Age) | Caps | Club/province |
| --- | --- | --- | --- | --- |
| Takahiro Sugiura | Prop | 4 October 1983 | 1.0 | Fukuoka |
| Yuta Inose | Prop | 15 March 1982 | 0.0 | Green Rockets |
| Taku Inokuchi | Hooker | 5 October 1982 | 1.0 | Brave Lupus |
| Ryota Asano | Flanker | 25 September 1979 | 20.0 | Green Rockets |
| James Arlidge | Fly-half | 11 August 1979 | 1.0 | Docomo |
Question:
What is the mean number of caps for Ryota Asano?
Answer:
20.0