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_11 (area__km²_ VARCHAR, gdp_per_capita__us$_ VARCHAR)
### Question:
What is the area of the nation with GDP per capita (US$) of 11,929?
### Answer:
SELECT area__km²_ FROM table_name_11 WHERE gdp_per_capita__us$_ = "11,929"