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_name_30 (population__2010_11_01_ VARCHAR, hanzi VARCHAR)

### Question ###
What is the population for the area that has a Hanzi of 延寿县?

### Accurate SQL ###

SELECT population__2010_11_01_ FROM table_name_30 WHERE hanzi = "延寿县"