instruction: What are the descriptions of the categories that products with product descriptions that contain the letter t are in, and count them by a bar chart, display by the y-axis from high to low.
response: SELECT product_category_description, COUNT(product_category_description) FROM Ref_Product_Categories AS T1 JOIN Products AS T2 ON T1.product_category_code = T2.product_category_code WHERE T2.product_description LIKE '%t%' GROUP BY product_category_description ORDER BY COUNT(product_category_description) DESC