If the playoff berth is 17, what is the AFC championship number?
CREATE TABLE table_1952057_5 (
    afc_championships VARCHAR,
    playoff_berths VARCHAR
)
SELECT afc_championships FROM table_1952057_5 WHERE playoff_berths = 17
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: If the playoff berth is 17, what is the AFC championship number? ### Input: CREATE TABLE table_1952057_5 (
    afc_championships VARCHAR,
    playoff_berths VARCHAR
) ### Response: SELECT afc_championships FROM table_1952057_5 WHERE playoff_berths = 17