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_55 (lane INTEGER, nationality VARCHAR, time VARCHAR)
### Question:
What's Brazil's lane with a time less than 21.15?
### Answer:
SELECT MIN(lane) FROM table_name_55 WHERE nationality = "brazil" AND time < 21.15