Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_39 (overall_rank INTEGER, share VARCHAR, timeslot_rank VARCHAR)
### Question:
What is the rank of the episode with a share of 6 and timeslot rank smaller than 4?
### Answer:
SELECT AVG(overall_rank) FROM table_name_39 WHERE share = 6 AND timeslot_rank < 4