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_12 (country VARCHAR, debt_as__percentage_of_value VARCHAR, _percentage_change_on_year VARCHAR)
### Question:
Name the country where % change on year is 21 and value is less than 86
### Answer:
SELECT country FROM table_name_12 WHERE debt_as__percentage_of_value < 86 AND _percentage_change_on_year = "21"