Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_2668374_18 (party VARCHAR, first_elected VARCHAR)
### Question:
How many parties were first elected in 1805?
### Answer:
SELECT COUNT(party) FROM table_2668374_18 WHERE first_elected = "1805"