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_171236_2 (population INTEGER, official_name VARCHAR)
### Question:
What is the population of Cardwell?
### Answer:
SELECT MIN(population) FROM table_171236_2 WHERE official_name = "Cardwell"