What is the average round of the rw position player from the United States?
CREATE TABLE table_name_18 (round INTEGER, nationality VARCHAR, position VARCHAR)
SELECT AVG(round) FROM table_name_18 WHERE nationality = "united states" AND position = "rw"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_18 (round INTEGER, nationality VARCHAR, position VARCHAR) Question: What is the average round of the rw position player from the United States? [/INST] SELECT AVG(round) FROM table_name_18 WHERE nationality = "united states" AND position = "rw" </s>