What is the overall of the running back player?
CREATE TABLE table_name_91 (
    overall VARCHAR,
    position VARCHAR
)
SELECT overall FROM table_name_91 WHERE position = "running back"
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 overall of the running back player? ### Input: CREATE TABLE table_name_91 (
    overall VARCHAR,
    position VARCHAR
) ### Response: SELECT overall FROM table_name_91 WHERE position = "running back"