ตอนที่แวนด้าถูกกำจัดมีกี่คน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many persons had immunity in the episode when Wanda was eliminated?It is not neccessary to use all the tables.
 table_1272844_2:  (immunity [ VARCHAR ] eliminated [ VARCHAR) ]
SELECT COUNT(immunity) FROM table_1272844_2 WHERE eliminated = "Wanda"