CREATE TABLE table_80003 ("Name" TEXT, "Years" TEXT, "Gender" TEXT, "Area" TEXT, "Authority" TEXT, "Decile" FLOAT, "Roll" FLOAT)

Which area has a Decile of 9, and a Roll of 31?
SELECT "Area" FROM table_80003 WHERE "Decile" = '9' AND "Roll" = '31'
SELECT "Area" FROM "table_80003" WHERE "Decile" = '9' AND "Roll" = '31'