The Liberal Ticket listed which candidate when Jack A. Martin was listed on the Free Libertarian Ticket?
CREATE TABLE table_name_21 (
    liberal_ticket VARCHAR,
    free_libertarian_ticket VARCHAR
)
SELECT liberal_ticket FROM table_name_21 WHERE free_libertarian_ticket = "jack a. martin"
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: The Liberal Ticket listed which candidate when Jack A. Martin was listed on the Free Libertarian Ticket? ### Input: CREATE TABLE table_name_21 (
    liberal_ticket VARCHAR,
    free_libertarian_ticket VARCHAR
) ### Response: SELECT liberal_ticket FROM table_name_21 WHERE free_libertarian_ticket = "jack a. martin"