What is the average round of a player with an overall of 138?
CREATE TABLE table_name_23 (round INTEGER, overall VARCHAR)
SELECT AVG(round) FROM table_name_23 WHERE overall = "138"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_23 (round INTEGER, overall VARCHAR) Question: What is the average round of a player with an overall of 138? [/INST] SELECT AVG(round) FROM table_name_23 WHERE overall = "138" </s>