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_169693_1 (age_30_39 INTEGER, age_20_29 VARCHAR)
### Question:
Name the least age 30-39 where age 20-29 is 593
### Answer:
SELECT MIN(age_30_39) FROM table_169693_1 WHERE age_20_29 = 593