What is the gdp of the country with an area of 83871 (km2)?
CREATE TABLE table_1307842_6 (gdp__billion_us$_ VARCHAR, area__km²_ VARCHAR)
SELECT gdp__billion_us$_ FROM table_1307842_6 WHERE area__km²_ = 83871
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1307842_6 (gdp__billion_us$_ VARCHAR, area__km²_ VARCHAR) Question: What is the gdp of the country with an area of 83871 (km2)? [/INST] SELECT gdp__billion_us$_ FROM table_1307842_6 WHERE area__km²_ = 83871 </s>