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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27208311_1 (episode VARCHAR, writer VARCHAR) Question: What is every episode with Barry Purchese as the writer? [/INST] SELECT episode FROM table_27208311_1 WHERE writer = "Barry Purchese" </s>