Task: Text to Code
Input (English): Step 1: For each row in Ref_Locations table, find the corresponding rows in Document_Locations table.
Step 2: find the number of rows of each value of Document_Locations's Location_Code in the results of step 1.
Step 3: find Location_Name, Location_Description of step 1 results with smallest value in the results of step 2
Output (English): SELECT T1.Location_Name , T1.Location_Description FROM Ref_Locations AS T1 JOIN Document_Locations AS T2 ON T1.Location_Code = T2.Location_Code GROUP BY T2.Location_Code ORDER BY Count ( * ) Asc LIMIT 1