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_91 (income_inequality_1994_2011__latest_available_ VARCHAR, population_2011 VARCHAR)
### Question:
What is the latest available income inequality for the country with a population of 21,315,135?
### Answer:
SELECT income_inequality_1994_2011__latest_available_ FROM table_name_91 WHERE population_2011 = "21,315,135"