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"
### Context: CREATE TABLE table_23097214_1 (written_by VARCHAR, directed_by VARCHAR) ### Question: Who wrote the episode directed by Ken Whittingham? ### Answer: SELECT written_by FROM table_23097214_1 WHERE directed_by = "Ken Whittingham"