On November 14, 2007, how many different Republican: Jeff Sessions are there?
CREATE TABLE table_16751596_12 (
    republican VARCHAR,
    dates_administered VARCHAR
)
SELECT COUNT(republican) AS :_jeff_sessions FROM table_16751596_12 WHERE dates_administered = "November 14, 2007"
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: On November 14, 2007, how many different Republican: Jeff Sessions are there? ### Input: CREATE TABLE table_16751596_12 (
    republican VARCHAR,
    dates_administered VARCHAR
) ### Response: SELECT COUNT(republican) AS :_jeff_sessions FROM table_16751596_12 WHERE dates_administered = "November 14, 2007"