What was the description when the viewers selected Nan?
CREATE TABLE table_15162503_1 (description VARCHAR, viewers_selection VARCHAR)
SELECT description FROM table_15162503_1 WHERE viewers_selection = "Nan"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15162503_1 (description VARCHAR, viewers_selection VARCHAR) Question: What was the description when the viewers selected Nan? [/INST] SELECT description FROM table_15162503_1 WHERE viewers_selection = "Nan" </s>