How many parties were first elected in 1805?
CREATE TABLE table_2668374_18 (
    party VARCHAR,
    first_elected VARCHAR
)
SELECT COUNT(party) FROM table_2668374_18 WHERE first_elected = "1805"
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: How many parties were first elected in 1805? ### Input: CREATE TABLE table_2668374_18 (
    party VARCHAR,
    first_elected VARCHAR
) ### Response: SELECT COUNT(party) FROM table_2668374_18 WHERE first_elected = "1805"