Name the incumbent for candidates Joseph Hiester (dr) 83.2% Roswell Wells (f) 16.8%.
CREATE TABLE table_2668401_12 (
    incumbent VARCHAR,
    candidates VARCHAR
)
SELECT incumbent FROM table_2668401_12 WHERE candidates = "Joseph Hiester (DR) 83.2% Roswell Wells (F) 16.8%"
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: Name the incumbent for candidates Joseph Hiester (dr) 83.2% Roswell Wells (f) 16.8%. ### Input: CREATE TABLE table_2668401_12 (
    incumbent VARCHAR,
    candidates VARCHAR
) ### Response: SELECT incumbent FROM table_2668401_12 WHERE candidates = "Joseph Hiester (DR) 83.2% Roswell Wells (F) 16.8%"