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 county_public_safety (Crime_rate VARCHAR, Police_officers VARCHAR)
### Question:
Show the crime rates of counties in ascending order of number of police officers.
### Answer:
SELECT Crime_rate FROM county_public_safety ORDER BY Police_officers