Task: Text to Code
Input (English): Step 1: For each row in Product table, find the corresponding rows in Problems table.
Step 2: find problem_id of the results of step 1 whose product_name equals voluptatem and date_problem_closed greater than 1995
Output (English): SELECT T2.problem_id FROM Product AS T1 JOIN Problems AS T2 ON T1.product_id = T2.product_id WHERE T1.product_name = "voluptatem" AND T2.date_problem_closed > 1995