What episode number was written by Anthony Sparks?
CREATE TABLE table_25851971_1 (no INTEGER, written_by VARCHAR)
SELECT MIN(no) FROM table_25851971_1 WHERE written_by = "Anthony Sparks"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25851971_1 (no INTEGER, written_by VARCHAR) Question: What episode number was written by Anthony Sparks? [/INST] SELECT MIN(no) FROM table_25851971_1 WHERE written_by = "Anthony Sparks" </s>