CREATE TABLE table_name_39 (overall_rank INT, share VARCHAR, timeslot_rank VARCHAR)

What is the rank of the episode with a share of 6 and timeslot rank smaller than 4?
SELECT AVG(overall_rank) FROM table_name_39 WHERE share = 6 AND timeslot_rank < 4
SELECT AVG("overall_rank") FROM "table_name_39" WHERE "share" = 6 AND "timeslot_rank" < 4