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_26495 ( "Administrative division" text, "Area (km\u00b2) 2011**" text, "Population 2001 Census (Adjusted)" real, "Population 2011 Census (Adjusted)" real, "Population density (/km\u00b2 2011)" text )

### Question ###
What was the population density in km2 for 2011 in the division where area in km2 was 684.37 in 2011?

### Accurate SQL ###

SELECT "Population density (/km\u00b2 2011)" FROM table_26495 WHERE "Area (km\u00b2) 2011**" = '684.37'