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:
| Umpire | Country | Panel | Matches | WC Matches | 2011 WC |
| --- | --- | --- | --- | --- | --- |
| Asad Rauf | Pakistan | Elite Panel of ICC Umpires | 83.0 | 8.0 | 5.0 |
| Billy Bowden | New Zealand | Elite Panel of ICC Umpires | 150.0 | 16.0 | 5.0 |
| Billy Doctrove | West Indies | Elite Panel of ICC Umpires | 101.0 | 8.0 | 5.0 |
| Aleem Dar | Pakistan | Elite Panel of ICC Umpires | 138.0 | 14.0 | 8.0 |
| Simon Taufel | Australia | Elite Panel of ICC Umpires | 159.0 | 15.0 | 8.0 |
| Steve Davis | Australia | Elite Panel of ICC Umpires | 97.0 | 3.0 | 7.0 |
| Tony Hill | New Zealand | Elite Panel of ICC Umpires | 79.0 | 3.0 | 5.0 |
| Asoka de Silva | Sri Lanka | Elite Panel of ICC Umpires | 110.0 | 10.0 | 4.0 |
| Ian Gould | England | Elite Panel of ICC Umpires | 48.0 | 3.0 | 7.0 |
| Daryl Harper | Australia | Elite Panel of ICC Umpires | 169.0 | 16.0 | 5.0 |
| Marais Erasmus | South Africa | Elite Panel of ICC Umpires | 26.0 | 0.0 | 6.0 |
| Rod Tucker | Australia | Elite Panel of ICC Umpires | 18.0 | 0.0 | 6.0 |
| Shavir Tarapore | India | International Panel of Umpires and Referees | 16.0 | 0.0 | 4.0 |
| Bruce Oxenford | Australia | International Panel of Umpires and Referees | 21.0 | 1.0 | 5.0 |
| Amiesh Saheba | India | International Panel of Umpires and Referees | 47.0 | 0.0 | 4.0 |
| Richard Kettleborough | England | International Panel of Umpires and Referees | 12.0 | 0.0 | 4.0 |
| Nigel Llong | England | International Panel of Umpires and Referees | 39.0 | 0.0 | 5.0 |
| Kumar Dharmasena | Sri Lanka | International Panel of Umpires and Referees | 20.0 | 1.0 | 5.0 |
Question:
what is the number of the least matches
Answer:
12.0