CREATE TABLE table_68112 ("Name" TEXT, "Years" TEXT, "Gender" TEXT, "Area" TEXT, "Authority" TEXT, "Decile" FLOAT, "Roll" FLOAT)

What is the decile of the school with a roll larger than 513?
SELECT SUM("Decile") FROM table_68112 WHERE "Roll" > '513'
SELECT SUM("Decile") FROM "table_68112" WHERE "Roll" > '513'