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_21330550_2 (date VARCHAR, big_ten_team VARCHAR)
### Question:
How many dates have a big ten team of #10 purdue?
### Answer:
SELECT COUNT(date) FROM table_21330550_2 WHERE big_ten_team = "#10 Purdue"