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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2668254_17 (incumbent VARCHAR, first_elected VARCHAR) Question: Who was the ran as an incumbent leader first in 1818? [/INST] SELECT incumbent FROM table_2668254_17 WHERE first_elected = "1818" </s>