Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_1174162_1 ( median_age__in_2006_ VARCHAR, area__km²_ VARCHAR )

### Question ###
What is the median age where the area is 1.7?

### Accurate SQL ###

SELECT median_age__in_2006_ FROM table_1174162_1 WHERE area__km²_ = "1.7"