which city is served by the most full power stations ?
CREATE TABLE table_204_12 (
    id number,
    "area served" text,
    "city of license" text,
    "vc" number,
    "rf" number,
    "callsign" text,
    "network" text,
    "notes" text
)
SELECT "city of license" FROM table_204_12 GROUP BY "city of license" ORDER BY COUNT(*) DESC LIMIT 1
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: which city is served by the most full power stations ? ### Input: CREATE TABLE table_204_12 (
    id number,
    "area served" text,
    "city of license" text,
    "vc" number,
    "rf" number,
    "callsign" text,
    "network" text,
    "notes" text
) ### Response: SELECT "city of license" FROM table_204_12 GROUP BY "city of license" ORDER BY COUNT(*) DESC LIMIT 1