CREATE TABLE table_26826 ("Date" TEXT, "Cover model" TEXT, "Centerfold model" TEXT, "Interview subject" TEXT, "20 Questions" TEXT, "Pictorials" TEXT)

Who was the centerfold model when Meghan McCain played 20 questions?
SELECT "Centerfold model" FROM table_26826 WHERE "20 Questions" = 'Meghan McCain'
SELECT "Centerfold model" FROM "table_26826" WHERE "20 Questions" = 'Meghan McCain'