CREATE TABLE table_5671 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Record" TEXT)

Who was the opponent when Brown (9-5) took the loss?
SELECT "Opponent" FROM table_5671 WHERE "Loss" = 'brown (9-5)'
SELECT "Opponent" FROM "table_5671" WHERE "Loss" = 'brown (9-5)'