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_19085 ( "Code" real, "County" text, "Former Province" text, "Area (km 2 )" text, "Population Census 2009" real, "Capital" text )

### Question ###
what's the former province with area (km 2 ) being 12,245.9

### Accurate SQL ###

SELECT "Former Province" FROM table_19085 WHERE "Area (km 2 )" = '12,245.9'