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_15162503_1 (description VARCHAR, viewers_selection VARCHAR)
### Question:
What was the description when the viewers selected Nan?
### Answer:
SELECT description FROM table_15162503_1 WHERE viewers_selection = "Nan"