CREATE TABLE table_38813 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

What was the average attendance when the record was 58 49?
SELECT AVG("Attendance") FROM table_38813 WHERE "Record" = '58–49'
SELECT AVG("Attendance") FROM "table_38813" WHERE "Record" = '58–49'