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:
| Team | Country | Home | Skip | Third | Second | Lead |
| --- | --- | --- | --- | --- | --- | --- |
| North America | United States | Madison, Wisconsin | Craig Brown | Rich Ruohonen | John Dunlop | Peter Annis |
| North America | Canada | Winnipeg, Manitoba | Jennifer Jones | Cathy Overton-Clapham | Jill Officer | Dawn Askin |
| North America | Canada | Edmonton, Alberta | Kevin Koe * | Blake MacDonald | Carter Rycroft | Nolan Thiessen |
| North America | Canada | Saskatoon, Saskatchewan | Stefanie Lawton | Marliese Kasner | Teejay Surik | Lana Vey |
| North America | Canada | Edmonton, Alberta | Kevin Martin | John Morris | Marc Kennedy | Ben Hebert |
| North America | United States | Madison, Wisconsin | Debbie McCormick | Allison Pottinger | Nicole Joraanstad | Tracy Sachtjen |
| World | Scotland / Sweden | Lockerbie | David Murdoch | Ewan MacDonald | Niklas Edin | Euan Byers |
| World | Sweden | Härnösand | Anette Norberg | Kajsa Bergström | Cathrine Lindahl | Anna Svärd |
| World | Switzerland | Davos | Mirjam Ott | Carmen Schäfer | Valeria Spälty | Janine Greiner |
| World | China | Harbin | Wang Bingyu | Liu Yin | Yue Qingshuang | Zhou Yan |
| World | China | Harbin | Wang Fengchun | Liu Rui | Xu Xiaoming | Zang Jialiang |
| World | Norway | Oslo | Thomas Ulsrud | Torger Nergård | Christoffer Svae | Håvard Vad Petersson |
Question:
Who is third to Xu Xiaoming at second?
Answer:
Liu Rui