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_21734764_1 (administrative_division VARCHAR, population_2011_siak_database VARCHAR)
### Question:
Which administrative division had a 2011 population of 606,699 according to the siak database?
### Answer:
SELECT administrative_division FROM table_21734764_1 WHERE population_2011_siak_database = "606,699"