user: Question: In what year and location did Liu Guozheng win the Mens Singles?
Columns: ['Year Location', 'Mens Singles', 'Womens Singles', 'Mens Doubles', 'Womens Doubles']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2005 Fort Lauderdale', 'Oh Sang-Eun', 'Li Jiawei', 'Lee Jung-Woo Oh Sang-Eun', 'Tie Ya Na Zhang Rui']
SQL:

assistant: SELECT "Year Location" FROM "Table" WHERE "Mens Singles" = 'Liu Guozheng';