Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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?

### Accurate SQL ###

SELECT episode_title FROM table_2570269_3 WHERE original_air_date__uk_ = "13 August 1981"