In what urban area is the 2011 population 21561? 
CREATE TABLE table_1940144_1 (urban_area VARCHAR, population_2011 VARCHAR)
SELECT urban_area FROM table_1940144_1 WHERE population_2011 = 21561
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1940144_1 (urban_area VARCHAR, population_2011 VARCHAR) Question: In what urban area is the 2011 population 21561?  [/INST] SELECT urban_area FROM table_1940144_1 WHERE population_2011 = 21561 </s>