ใครคือผู้พัฒนาพอร์ทัล?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Who were the developers for Portal?It is not neccessary to use all the tables.
 table_name_68:  (developer_s_ [ VARCHAR ] game [ VARCHAR) ]
SELECT developer_s_ FROM table_name_68 WHERE game = "portal"