which college had a running back player
CREATE TABLE table_23993 (
    "Round" real,
    "Pick #" real,
    "Player" text,
    "Position" text,
    "Height" text,
    "Weight" text,
    "College" text,
    "Status" text
)
SELECT "College" FROM table_23993 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: which college had a running back player ### Input: CREATE TABLE table_23993 (
    "Round" real,
    "Pick #" real,
    "Player" text,
    "Position" text,
    "Height" text,
    "Weight" text,
    "College" text,
    "Status" text
) ### Response: SELECT "College" FROM table_23993 WHERE "Position" = 'Running back'