What is the km2 area for the population of 311?
CREATE TABLE table_name_46 (area__km_2__ INTEGER, population VARCHAR)
SELECT AVG(area__km_2__) FROM table_name_46 WHERE population = 311
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_46 (area__km_2__ INTEGER, population VARCHAR) Question: What is the km2 area for the population of 311? [/INST] SELECT AVG(area__km_2__) FROM table_name_46 WHERE population = 311 </s>