CREATE TABLE table_4110 ("Player" TEXT, "County" TEXT, "Balls" FLOAT, "Wickets" FLOAT, "Average" TEXT, "Economy" TEXT, "BBI" TEXT, "4wi" FLOAT, "5wi" FLOAT)

if the bbi is 4/39 what is the average
SELECT "Average" FROM table_4110 WHERE "BBI" = '4/39'
SELECT "Average" FROM "table_4110" WHERE "BBI" = '4/39'