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_2668374_18 (incumbent VARCHAR, party VARCHAR, first_elected VARCHAR)

### Question ###
What incumbent was a federalist that was first elected in 1803?

### Accurate SQL ###

SELECT incumbent FROM table_2668374_18 WHERE party = "Federalist" AND first_elected = "1803"