What is the hometown for the player that is defensive back and went to alabama?
CREATE TABLE table_name_20 (
    hometown VARCHAR,
    position VARCHAR,
    college VARCHAR
)
SELECT hometown FROM table_name_20 WHERE position = "defensive back" AND college = "alabama"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the hometown for the player that is defensive back and went to alabama? ### Input: CREATE TABLE table_name_20 (
    hometown VARCHAR,
    position VARCHAR,
    college VARCHAR
) ### Response: SELECT hometown FROM table_name_20 WHERE position = "defensive back" AND college = "alabama"