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_2190919_1 (top_10 VARCHAR, avg_finish VARCHAR)
### Question:
How many teams finished in the top team with an average finish of 23.3?
### Answer:
SELECT COUNT(top_10) FROM table_2190919_1 WHERE avg_finish = "23.3"