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_97 (heat INTEGER, rank VARCHAR, time VARCHAR)
### Question:
What is the Heat of the 34 Rank swimmer with a Time of 49.49 or less?
### Answer:
SELECT AVG(heat) FROM table_name_97 WHERE rank = 34 AND time < 49.49