the first opened station
CREATE TABLE table_203_839 (
    id number,
    "station" text,
    "type" text,
    "latitude" text,
    "longitude" text,
    "el. (m)" number,
    "opened" number,
    "closed" number,
    "coordinates" text
)
SELECT "station" FROM table_203_839 ORDER BY "opened" 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: the first opened station ### Input: CREATE TABLE table_203_839 (
    id number,
    "station" text,
    "type" text,
    "latitude" text,
    "longitude" text,
    "el. (m)" number,
    "opened" number,
    "closed" number,
    "coordinates" text
) ### Response: SELECT "station" FROM table_203_839 ORDER BY "opened" LIMIT 1