Who wrote episode number 19 in the series?
CREATE TABLE table_28140578_1 (written_by VARCHAR, no_in_series VARCHAR)
SELECT written_by FROM table_28140578_1 WHERE no_in_series = 19
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28140578_1 (written_by VARCHAR, no_in_series VARCHAR) Question: Who wrote episode number 19 in the series? [/INST] SELECT written_by FROM table_28140578_1 WHERE no_in_series = 19 </s>