Table:
text: List of ITTF Pro Tour winners
China Open
China Open
Year_Location Mens_Singles Womens_Singles Mens_Doubles Womens_Doubles
2008 Shanghai Hao Shuai Li Xiaoxia Ma Lin Wang Liqin Jiang Huajun Tie Yana
2008 Changchun Wang Hao Zhang Yining China China
2007 Shenzhen Wang Hao Zhang Yining Ma Lin Wang Hao Guo Yan Guo Yue
2007 Nanjing Ma Lin Guo Yue Chen Qi Wang Hao Guo Yue Li Xiaoxia
2006 Kunshan Ma Lin Wang Nan Chen Qi Wang Liqin Wang Nan Zhang Yining
2006 Guangzhou Timo Boll Zhang Yining Hao Shuai Wang Liqin Shen Yanfei Gao Jun
2005 Harbin Wang Liqin Guo Yue Kong Linghui Ma Long Guo Yan Guo Yue
2005 Shenzhen Wang Liqin Li Xiaoxia Chen Qi Wang Liqin Guo Yue Zhang Yining

Question: From the list of ITTF Pro Tour China Open winners, who won the men's doubles at the 2006 Guangzhou event?

Question: How many times has women's doubles in China been among the winners of the ITTF Pro Tour China Open list?