CREATE TABLE table_203_158 (id DECIMAL, "date" TEXT, "time" TEXT, "opponent#" TEXT, "rank#" TEXT, "site" TEXT, "tv" TEXT, "result" TEXT, "attendance" DECIMAL)

against what opponent did utah score the largest amount of points ?
SELECT "opponent#" FROM table_203_158 ORDER BY "result" DESC LIMIT 1
SELECT "opponent#" FROM "table_203_158" ORDER BY "result" DESC NULLS LAST LIMIT 1