When the # is 4, what is the pop./ km²?
CREATE TABLE table_2252745_1 (pop__km² VARCHAR, _number VARCHAR)
SELECT pop__km² FROM table_2252745_1 WHERE _number = 4
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2252745_1 (pop__km² VARCHAR, _number VARCHAR) Question: When the # is 4, what is the pop./ km²? [/INST] SELECT pop__km² FROM table_2252745_1 WHERE _number = 4 </s>