What round was circuit Avus?
CREATE TABLE table_18095719_2 (round INTEGER, circuit VARCHAR)
SELECT MAX(round) FROM table_18095719_2 WHERE circuit = "AVUS"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18095719_2 (round INTEGER, circuit VARCHAR) Question: What round was circuit Avus? [/INST] SELECT MAX(round) FROM table_18095719_2 WHERE circuit = "AVUS" </s>