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_20 (hometown VARCHAR, position VARCHAR, college VARCHAR)
### Question:
What is the hometown for the player that is defensive back and went to alabama?
### Answer:
SELECT hometown FROM table_name_20 WHERE position = "defensive back" AND college = "alabama"