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_name_9 (per_capita_income VARCHAR, county VARCHAR)
### Question:
What is the per capital income for Charles county?
### Answer:
SELECT per_capita_income FROM table_name_9 WHERE county = "charles"