What was the total number of first down on October 23?
CREATE TABLE table_15847691_2 (first_downs VARCHAR, date VARCHAR)
SELECT COUNT(first_downs) FROM table_15847691_2 WHERE date = "October 23"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15847691_2 (first_downs VARCHAR, date VARCHAR) Question: What was the total number of first down on October 23? [/INST] SELECT COUNT(first_downs) FROM table_15847691_2 WHERE date = "October 23" </s>