When and where did Chen Qi win in men singles?
CREATE TABLE table_28138035_13 (year_location VARCHAR, mens_singles VARCHAR)
SELECT year_location FROM table_28138035_13 WHERE mens_singles = "Chen Qi"
### Context: CREATE TABLE table_28138035_13 (year_location VARCHAR, mens_singles VARCHAR) ### Question: When and where did Chen Qi win in men singles? ### Answer: SELECT year_location FROM table_28138035_13 WHERE mens_singles = "Chen Qi"