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_2668378_18 (incumbent VARCHAR, first_elected VARCHAR)
### Question:
Who was the incumbent in the district that first elected someone in 1807?
### Answer:
SELECT incumbent FROM table_2668378_18 WHERE first_elected = "1807"