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_20872722_1 (height VARCHAR, position VARCHAR)
### Question:
What is the height of the cornerback position?
### Answer:
SELECT COUNT(height) FROM table_20872722_1 WHERE position = "Cornerback"