Who directed the episode written by Dan Serafin and aired on July 23, 2008?
CREATE TABLE table_name_52 (directed_by VARCHAR, written_by VARCHAR, original_airdate VARCHAR)
SELECT directed_by FROM table_name_52 WHERE written_by = "dan serafin" AND original_airdate = "july 23, 2008"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_52 (directed_by VARCHAR, written_by VARCHAR, original_airdate VARCHAR) Question: Who directed the episode written by Dan Serafin and aired on July 23, 2008? [/INST] SELECT directed_by FROM table_name_52 WHERE written_by = "dan serafin" AND original_airdate = "july 23, 2008" </s>