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_2668387_18 (first_elected VARCHAR, incumbent VARCHAR)
### Question:
Name the number of first elected for john smith
### Answer:
SELECT COUNT(first_elected) FROM table_2668387_18 WHERE incumbent = "John Smith"