Task: Text to Code
Input (English): Step 1: For each row in Staff table, find the corresponding rows in Problem_Log table.
Step 2: find log_entry_description of the results of step 1 whose staff_first_name equals Christop
Output (English): SELECT T1.log_entry_description FROM Problem_Log AS T1 JOIN Staff AS T2 ON T1.assigned_to_staff_id = T2.staff_id WHERE T2.staff_first_name = "Christop"