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_76 (gdp__billion_us$_ VARCHAR, area__km²_ VARCHAR)
### Question:
What is the GDP (billion US$) of the country that has an Area (km²) of 316?
### Answer:
SELECT gdp__billion_us$_ FROM table_name_76 WHERE area__km²_ = "316"