Who wrote episode number 28?
CREATE TABLE table_26561506_1 (written_by VARCHAR, no VARCHAR)
SELECT written_by FROM table_26561506_1 WHERE no = 28
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26561506_1 (written_by VARCHAR, no VARCHAR) Question: Who wrote episode number 28? [/INST] SELECT written_by FROM table_26561506_1 WHERE no = 28 </s>