How many different starts had an average finish of 17.9?
CREATE TABLE table_2622469_1 (
    starts VARCHAR,
    avg_finish VARCHAR
)
SELECT COUNT(starts) FROM table_2622469_1 WHERE avg_finish = "17.9"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many different starts had an average finish of 17.9? ### Input: CREATE TABLE table_2622469_1 (
    starts VARCHAR,
    avg_finish VARCHAR
) ### Response: SELECT COUNT(starts) FROM table_2622469_1 WHERE avg_finish = "17.9"