What's the series number of the episode written by Dan Vebber?
CREATE TABLE table_23242933_2 (no_in_series INTEGER, written_by VARCHAR)
SELECT MAX(no_in_series) FROM table_23242933_2 WHERE written_by = "Dan Vebber"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23242933_2 (no_in_series INTEGER, written_by VARCHAR) Question: What's the series number of the episode written by Dan Vebber? [/INST] SELECT MAX(no_in_series) FROM table_23242933_2 WHERE written_by = "Dan Vebber" </s>