user: ### NOW ANSWER:
Question: When and where did Chen Qi win in men singles?
Columns: ['Year Location', 'Mens Singles', 'Womens Singles', 'Mens Doubles', 'Womens Doubles']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2011 Sheffield', 'Chen Qi', 'Ding Ning', 'Xu Xin Zhang Jike', 'Guo Yue Guo Yan']
SQL:

assistant: SELECT "Year Location" FROM "Table" WHERE "Mens Singles" = 'Chen Qi';