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_2668254_17 ( incumbent VARCHAR, first_elected VARCHAR )

### Question ###
Who was the ran as an incumbent leader first in 1818?

### Accurate SQL ###

SELECT incumbent FROM table_2668254_17 WHERE first_elected = "1818"