Who wrote the episode directed by Ken Whittingham?
CREATE TABLE table_23097214_1 (written_by VARCHAR, directed_by VARCHAR)
SELECT written_by FROM table_23097214_1 WHERE directed_by = "Ken Whittingham"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23097214_1 (written_by VARCHAR, directed_by VARCHAR) Question: Who wrote the episode directed by Ken Whittingham? [/INST] SELECT written_by FROM table_23097214_1 WHERE directed_by = "Ken Whittingham" </s>