Who are all hosts when men's singles is Ma Wenge?
CREATE TABLE table_28211988_1 (
    host VARCHAR,
    mens_singles VARCHAR
)
SELECT host FROM table_28211988_1 WHERE mens_singles = "Ma Wenge"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who are all hosts when men's singles is Ma Wenge? ### Input: CREATE TABLE table_28211988_1 (
    host VARCHAR,
    mens_singles VARCHAR
) ### Response: SELECT host FROM table_28211988_1 WHERE mens_singles = "Ma Wenge"