Find the entry names of the catalog with the attribute that have the most entries.
select t1.catalog_entry_name from catalog_contents as t1 join catalog_contents_additional_attributes as t2 on t1.catalog_entry_id = t2.catalog_entry_id where t2.attribute_value = (select attribute_value from catalog_contents_additional_attributes group by attribute_value order by count(*) desc limit 1)