Christian Lefebvre มีสัญชาติอะไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the nationality of Christian Lefebvre?It is not neccessary to use all the tables.
 table_2840500_4:  (nationality [ VARCHAR ] player [ VARCHAR) ]
SELECT nationality FROM table_2840500_4 WHERE player = "Christian Lefebvre"