CREATE TABLE table_72473 ("Country" FLOAT, "Rank" TEXT, "Aid" TEXT, "Trade" TEXT, "Investment" TEXT, "Migration" TEXT, "Environment" TEXT, "Security" TEXT, "Technology" TEXT, "Overall  ( Average ) " TEXT)

What is the migration rating when trade is 5.7?
SELECT "Migration" FROM table_72473 WHERE "Trade" = '5.7'
SELECT "Migration" FROM "table_72473" WHERE "Trade" = '5.7'