Class of 500cc, and a Wins smaller than 0 had what average year?
CREATE TABLE table_name_75 (year INTEGER, class VARCHAR, wins VARCHAR)
SELECT AVG(year) FROM table_name_75 WHERE class = "500cc" AND wins < 0
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_75 (year INTEGER, class VARCHAR, wins VARCHAR) Question: Class of 500cc, and a Wins smaller than 0 had what average year? [/INST] SELECT AVG(year) FROM table_name_75 WHERE class = "500cc" AND wins < 0 </s>