voluptatem ผลิตภัณฑ์มีปัญหากี่ข้อ?ไม่จำเป็นต้องใช้ตารางทั้งหมด
How many problems are there for product voluptatem?It is not neccessary to use all the tables.
 problems:  (product_id [ VARCHAR) ]
SELECT COUNT(*) FROM product AS T1 JOIN problems AS T2 ON T1.product_id = T2.product_id WHERE T1.product_name = "voluptatem"