what is the GDP of the city with the largest population.
CREATE TABLE city (gdp VARCHAR, Regional_Population VARCHAR)
SELECT TOP 1 gdp FROM city ORDER BY Regional_Population DESC
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE city (gdp VARCHAR, Regional_Population VARCHAR) Question: what is the GDP of the city with the largest population. [/INST] SELECT TOP 1 gdp FROM city ORDER BY Regional_Population DESC </s>