Name the number of years for 18.5
CREATE TABLE table_2181798_1 (year VARCHAR, avg_finish VARCHAR)
SELECT COUNT(year) FROM table_2181798_1 WHERE avg_finish = "18.5"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2181798_1 (year VARCHAR, avg_finish VARCHAR) Question: Name the number of years for 18.5 [/INST] SELECT COUNT(year) FROM table_2181798_1 WHERE avg_finish = "18.5" </s>