Database: cre_Doc_and_collections (difficulty: simple)
Question: List the Collection Name that document owned by 'Marlin ' belong to .
SQL: select t1.collection_name from collections as t1 join documents_in_collections as t2 on t1.collection_id = t2.collection_id join document_objects as t3 on t2.document_object_id  =  t3.document_object_id where t3.owner  =  'Marlin'