CREATE TABLE table_3839 ("Season" CLOB, "Overall Record" CLOB, "SEC Record" CLOB, "Overall Attendance" FLOAT, "Average Attendance" FLOAT, "Rank Nationally" CLOB)

What was the overall record in the season where average attendance was 16720?
SELECT "Overall Record" FROM table_3839 WHERE "Average Attendance" = '16720'
SELECT "Overall Record" FROM "table_3839" WHERE "Average Attendance" = '16720'