Database: cre_Doc_and_collections
Question: For document subset named 'Best for 2000', List all document id that in this subset.
SQL:
SELECT DISTINCT T1.Document_Object_ID FROM Document_Subset_Members AS T1 JOIN Document_Subsets AS T2 ON T1.Document_Subset_ID =  T2.Document_Subset_ID WHERE T2.Document_Subset_Name = "Best for 2000";