Who directed the episode that aired on july15,2012?
CREATE TABLE table_20704243_6 (directed_by VARCHAR, original_air_date VARCHAR)
SELECT directed_by FROM table_20704243_6 WHERE original_air_date = "July15,2012"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20704243_6 (directed_by VARCHAR, original_air_date VARCHAR) Question: Who directed the episode that aired on july15,2012? [/INST] SELECT directed_by FROM table_20704243_6 WHERE original_air_date = "July15,2012" </s>