What is the height of the cornerback position?
CREATE TABLE table_20872722_1 (height VARCHAR, position VARCHAR)
SELECT COUNT(height) FROM table_20872722_1 WHERE position = "Cornerback"
### 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"