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_name_68 (uk_broadcast_date VARCHAR, countries_visited VARCHAR)
### Question:
What was the broadcast date of the episode that visited South Africa?
### Answer:
SELECT uk_broadcast_date FROM table_name_68 WHERE countries_visited = "south africa"