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_88 (time VARCHAR, nationality VARCHAR, heat VARCHAR, lane VARCHAR)
### Question:
What is the time in a heat smaller than 5, in Lane 5, for Vietnam?
### Answer:
SELECT time FROM table_name_88 WHERE heat < 5 AND lane = 5 AND nationality = "vietnam"