CREATE TABLE table_25551 ("Date" TEXT, "Location" TEXT, "Opponent" TEXT, "Sooners Points" FLOAT, "Opp. Points" FLOAT, "Record" TEXT)

How many points did the opponents score at the game in Knoxville?
SELECT MIN("Opp. Points") FROM table_25551 WHERE "Location" = 'Knoxville'
SELECT MIN("Opp. Points") FROM "table_25551" WHERE "Location" = 'Knoxville'