List all directors when Brad Radnitz was the writer?
CREATE TABLE table_2342078_4 (directed_by VARCHAR, written_by VARCHAR)
SELECT directed_by FROM table_2342078_4 WHERE written_by = "Brad Radnitz"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2342078_4 (directed_by VARCHAR, written_by VARCHAR) Question: List all directors when Brad Radnitz was the writer? [/INST] SELECT directed_by FROM table_2342078_4 WHERE written_by = "Brad Radnitz" </s>