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_12340907_1 (police_force VARCHAR, population VARCHAR)
### Question:
Which police force serves a population of 17000?
### Answer:
SELECT police_force FROM table_12340907_1 WHERE population = 17000