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_204_12 ( id number, "area served" text, "city of license" text, "vc" number, "rf" number, "callsign" text, "network" text, "notes" text )

### Question ###
which area has the largest number of stations serving it ?

### Accurate SQL ###

SELECT "area served" FROM table_204_12 GROUP BY "area served" ORDER BY COUNT(*) DESC LIMIT 1