What is the title of the episode that aired on 13 august 1981?
CREATE TABLE table_2570269_3 (episode_title VARCHAR, original_air_date__uk_ VARCHAR)
SELECT episode_title FROM table_2570269_3 WHERE original_air_date__uk_ = "13 August 1981"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2570269_3 (episode_title VARCHAR, original_air_date__uk_ VARCHAR) Question: What is the title of the episode that aired on 13 august 1981? [/INST] SELECT episode_title FROM table_2570269_3 WHERE original_air_date__uk_ = "13 August 1981" </s>