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_79 (population__2009_estimate_ VARCHAR, largest_city VARCHAR)

### Question ###
What is the 2009 estimate population of the region with Manaus as the largest city?

### Accurate SQL ###

SELECT population__2009_estimate_ FROM table_name_79 WHERE largest_city = "manaus"