What was the best top five result when the average start is 28.5? 
CREATE TABLE table_2182573_2 (top_5 INTEGER, avg_start VARCHAR)
SELECT MAX(top_5) FROM table_2182573_2 WHERE avg_start = "28.5"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2182573_2 (top_5 INTEGER, avg_start VARCHAR) Question: What was the best top five result when the average start is 28.5?  [/INST] SELECT MAX(top_5) FROM table_2182573_2 WHERE avg_start = "28.5" </s>