Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| year location | mens singles | womens singles | mens doubles | womens doubles |
| 2012 velenje | zhang jike | ding ning | ma long zhang jike | ding ning guo yan |
| 2011 velenje | xu xin | wu yang | wang hao zhang jike | guo yue li xiaoxia |
| 2010 velenje | lee sang - su | li qian | alexander shibaev alexey smirnov | viktoria pavlovich svetlana ganina |
| 2009 velenje | hao shuai | cao zhen | xu xin zhang chao | cao zhen fan ying |
| 2008 velenje | vladimir samsonov | li jiao | chang yen - shu chiang peng - lung | irina kotikhina li jie |
| 2007 velenje | wang hao | guo yue | chen qi wang liqin | guo yan zhang yining |
| 2006 velenje | wang hao | guo yue | hao shuai ma long | guo yue li xiaoxia |
Title:
list of ittf pro tour winners
Statement:
xu xin played four years before guo yue
Answer:
refuted