How big (in km2) is the district with a code BW?
CREATE TABLE table_2801442_1 (area__km²_ INTEGER, code VARCHAR)
SELECT MIN(area__km²_) FROM table_2801442_1 WHERE code = "BW"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2801442_1 (area__km²_ INTEGER, code VARCHAR) Question: How big (in km2) is the district with a code BW? [/INST] SELECT MIN(area__km²_) FROM table_2801442_1 WHERE code = "BW" </s>