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_18600760_1 (ansi_code INTEGER, pop__2010_ VARCHAR)
### Question:
Name the least ansi code for 609 population 2010
### Answer:
SELECT MIN(ansi_code) FROM table_18600760_1 WHERE pop__2010_ = 609