CREATE TABLE table_54628 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

Of the games with a record of 80-81, what was the highest attendance?
SELECT MAX("Attendance") FROM table_54628 WHERE "Record" = '80-81'
SELECT MAX("Attendance") FROM "table_54628" WHERE "Record" = '80-81'