| original_column_name,column_name,column_description,data_format,value_description | |
| n_nationkey,nation key,unique id number identifying the nation,integer, | |
| n_name,nation name,name of the nation,text, | |
| n_regionkey,nation region key,region key number of the nation,integer, | |
| n_comment,nation comment,comment description of nation,text, | |