Who directed the episode that aired on July 29, 2011?
CREATE TABLE table_18424435_5 (directed_by VARCHAR, us_air_date VARCHAR)
SELECT directed_by FROM table_18424435_5 WHERE us_air_date = "July 29, 2011"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18424435_5 (directed_by VARCHAR, us_air_date VARCHAR) Question: Who directed the episode that aired on July 29, 2011? [/INST] SELECT directed_by FROM table_18424435_5 WHERE us_air_date = "July 29, 2011" </s>