Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1952057_5 (afc_championships VARCHAR, playoff_berths VARCHAR)
### Question:
If the playoff berth is 17, what is the AFC championship number?
### Answer:
SELECT afc_championships FROM table_1952057_5 WHERE playoff_berths = 17