How many dates have a big ten team of #10 purdue?
CREATE TABLE table_21330550_2 (
    date VARCHAR,
    big_ten_team VARCHAR
)
SELECT COUNT(date) FROM table_21330550_2 WHERE big_ten_team = "#10 Purdue"
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 dates have a big ten team of #10 purdue? ### Input: CREATE TABLE table_21330550_2 (
    date VARCHAR,
    big_ten_team VARCHAR
) ### Response: SELECT COUNT(date) FROM table_21330550_2 WHERE big_ten_team = "#10 Purdue"