What is every episode with Barry Purchese as the writer?
CREATE TABLE table_27208311_1 (episode VARCHAR, writer VARCHAR)
SELECT episode FROM table_27208311_1 WHERE writer = "Barry Purchese"
### Context: CREATE TABLE table_27208311_1 (episode VARCHAR, writer VARCHAR) ### Question: What is every episode with Barry Purchese as the writer? ### Answer: SELECT episode FROM table_27208311_1 WHERE writer = "Barry Purchese"