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_15 (heat_rank INTEGER, time VARCHAR, lane VARCHAR)
### Question:
Tell me the average heat rank for time less than 24.02 and lane of 1
### Answer:
SELECT AVG(heat_rank) FROM table_name_15 WHERE time < 24.02 AND lane = 1