CREATE TABLE table_61637 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT, "Arena" TEXT, "Points" FLOAT)

What is the Opponent when the Record is 34 31 6?
SELECT "Opponent" FROM table_61637 WHERE "Record" = '34–31–6'
SELECT "Opponent" FROM "table_61637" WHERE "Record" = '34–31–6'