user: ### NOW ANSWER:
Question: Who won the mens doubles at the 2006 Guangzhou event?
Columns: ['Year Location', 'Mens Singles', 'Womens Singles', 'Mens Doubles', 'Womens Doubles']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2012 Suzhou', 'Hao Shuai', 'Chen Meng', 'Wang Liqin Xu Xin', 'Chen Meng Zhu Yuling']
SQL:

assistant: SELECT "Mens Doubles" FROM "Table" WHERE "Year Location" = '2006 Guangzhou';