CREATE TABLE table_2668374_13 (district VARCHAR, first_elected VARCHAR, incumbent VARCHAR)

How many districts first elected someone in 1808 and had george smith as the incumbent?
SELECT COUNT(district) FROM table_2668374_13 WHERE first_elected = "1808" AND incumbent = "George Smith"
SELECT COUNT("district") FROM "table_2668374_13" WHERE "1808" = "first_elected" AND "George Smith" = "incumbent"