CREATE TABLE table_58186 ("Name" TEXT, "Years" TEXT, "Area" TEXT, "Authority" TEXT, "Decile" TEXT, "Roll" FLOAT)

What area is the school with a decile of 8 in?
SELECT "Area" FROM table_58186 WHERE "Decile" = '8'
SELECT "Area" FROM "table_58186" WHERE "Decile" = '8'