Database: cre_Doc_and_collections
Question: What are the collection subsets that the collection named 'Best' in?
SQL:
SELECT DISTINCT T1.Collection_Subset_Name FROM Collection_Subsets AS T1 JOIN Collection_Subset_Members AS T2 ON T1.Collection_Subset_ID =  T2.Collection_Subset_ID JOIN Collections AS T3 ON T2.Collection_ID =  T3.Collection_ID WHERE T3.Collection_Name = "Best";