CREATE TABLE table_2129 ("Rank" FLOAT, "Couple" TEXT, "Judges" FLOAT, "Public" FLOAT, "Total" FLOAT, "Vote percentage" TEXT, "Result" TEXT)

What is Michael and Melanie's rank?
SELECT "Rank" FROM table_2129 WHERE "Couple" = 'Michael and Melanie'
SELECT "Rank" FROM "table_2129" WHERE "Couple" = 'Michael and Melanie'