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_name_21 (rd__number VARCHAR, pick__number INTEGER)
### Question:
How many rounds exist for picks under 5?
### Answer:
SELECT COUNT(rd__number) FROM table_name_21 WHERE pick__number < 5