How many incumbents were first elected in 1797 with the candidates abram trigg (dr)?
CREATE TABLE table_2668393_18 (
    incumbent VARCHAR,
    first_elected VARCHAR,
    candidates VARCHAR
)
SELECT COUNT(incumbent) FROM table_2668393_18 WHERE first_elected = "1797" AND candidates = "Abram Trigg (DR)"
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 incumbents were first elected in 1797 with the candidates abram trigg (dr)? ### Input: CREATE TABLE table_2668393_18 (
    incumbent VARCHAR,
    first_elected VARCHAR,
    candidates VARCHAR
) ### Response: SELECT COUNT(incumbent) FROM table_2668393_18 WHERE first_elected = "1797" AND candidates = "Abram Trigg (DR)"