How many times is the number of "Women's Clothing" Yelp businesses to "Men's Clothing"?
"Women's Clothing" Yelp businesses refers to  category_name = 'Women''s Clothing'; "Men's Clothing" refers to category_name = 'Men''s Clothing'; times refers to DIVIDE(COUNT(category_name = 'Women''s Clothing'), COUNT(category_name = 'Men''s Clothing'))
SELECT CAST(SUM(CASE WHEN T2.category_name = 'Women''s Clothing' THEN 1 ELSE 0 END) AS REAL) / SUM(CASE WHEN T2.category_name = 'Men''s Clothing' THEN 1 ELSE 0 END) AS TIMES FROM Business_Categories AS T1 INNER JOIN Categories AS T2 ON T1.category_id = T2.category_id