Task: Text to Code
Input (English): Step 1: For each row in Claim_Headers table, find the corresponding rows in Claims_Processing_Stages table.
Step 2: find Claim_Status_Description of the results of step 1 whose Claim_Status_Code equals Open
Output (English): SELECT T2.Claim_Status_Description FROM Claim_Headers AS T1 JOIN Claims_Processing_Stages AS T2 WHERE T1.Claim_Status_Code = "Open"