หน่วยใดในอาร์เจนตินา?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What unit is in Argentina?It is not neccessary to use all the tables.
 table_39799:  "Name" [ text]  "Status" [ text]  "Authors" [ text]  "Unit" [ text]  "Location" [ text]  "Notes" [ text] 
SELECT "Unit" FROM table_39799 WHERE "Location" = 'argentina'