How many tackle assists for the player who averages 23.7?
CREATE TABLE table_18064020_21 (ast VARCHAR, avg VARCHAR)
SELECT ast FROM table_18064020_21 WHERE avg = "23.7"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18064020_21 (ast VARCHAR, avg VARCHAR) Question: How many tackle assists for the player who averages 23.7? [/INST] SELECT ast FROM table_18064020_21 WHERE avg = "23.7" </s>