Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
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? 
### Answer:
SELECT MAX(top_5) FROM table_2182573_2 WHERE avg_start = "28.5"