CREATE TABLE table_9880 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Record" TEXT, "Attendance" TEXT)

What was the Opponent in the game with a Result of W 23-7?
SELECT "Opponent" FROM table_9880 WHERE "Result" = 'w 23-7'
SELECT "Opponent" FROM "table_9880" WHERE "Result" = 'w 23-7'