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_70871 ( "Name" text, "Population (2009 estimate)" text, "Largest City" text, "Largest Metropolitan Area" text, "Number of States" text )

### Question ###
How many states has a 2009 estimate population of 27,3 million?

### Accurate SQL ###

SELECT "Number of States" FROM table_70871 WHERE "Population (2009 estimate)" = '27,3 million'