What year was incumbent mark w. hannaford elected?
CREATE TABLE table_1341672_6 (
    first_elected INTEGER,
    incumbent VARCHAR
)
SELECT MIN(first_elected) FROM table_1341672_6 WHERE incumbent = "Mark W. Hannaford"
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: What year was incumbent mark w. hannaford elected? ### Input: CREATE TABLE table_1341672_6 (
    first_elected INTEGER,
    incumbent VARCHAR
) ### Response: SELECT MIN(first_elected) FROM table_1341672_6 WHERE incumbent = "Mark W. Hannaford"