Who was the ran as an incumbent leader first in 1818?
CREATE TABLE table_2668254_17 (
    incumbent VARCHAR,
    first_elected VARCHAR
)
SELECT incumbent FROM table_2668254_17 WHERE first_elected = "1818"
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: Who was the ran as an incumbent leader first in 1818? ### Input: CREATE TABLE table_2668254_17 (
    incumbent VARCHAR,
    first_elected VARCHAR
) ### Response: SELECT incumbent FROM table_2668254_17 WHERE first_elected = "1818"