| original_column_name,column_name,column_description,data_format,value_description | |
| ssn,social security number,employee's ssn,text, | |
| lastname,last name,employee's last name,text, | |
| firstname,first name,employee's first name,text,"commonsense evidence: | |
| employee's full name is firstname lastname . " | |
| hiredate,hire date,employee's hire date,text,yyyy-mm-dd | |
| salary,,employee's salary,text,the unit is dollar per year | |
| gender,,employee's gender,text, | |
| performance,,employee's performance,text,Good / Average/ Poor | |
| positionID,position id,the unique id for position,integer, | |
| locationID,location id,the unique id for location,integer, | |