CREATE TABLE table_20232 ("Date" TEXT, "Cover model" TEXT, "Centerfold model" TEXT, "Interview subject" TEXT, "20 Questions" TEXT, "Pictorials" TEXT)

Who was asked 20 questions in the issue where the centerfold is Marliece Andrada?
SELECT "20 Questions" FROM table_20232 WHERE "Centerfold model" = 'Marliece Andrada'
SELECT "20 Questions" FROM "table_20232" WHERE "Centerfold model" = 'Marliece Andrada'