What was the world rank by ARWU in 2013 of the University of T bingen?
CREATE TABLE table_29538 (
    "Members" text,
    "Country" text,
    "Year Established" real,
    "World Rank by THE-WUR , 2013" text,
    "World Rank by ARWU , 2013" text,
    "World Rank by QS , 2013" text
)
SELECT "World Rank by ARWU , 2013" FROM table_29538 WHERE "Members" = 'University of Tübingen'
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 was the world rank by ARWU in 2013 of the University of T bingen? ### Input: CREATE TABLE table_29538 (
    "Members" text,
    "Country" text,
    "Year Established" real,
    "World Rank by THE-WUR , 2013" text,
    "World Rank by ARWU , 2013" text,
    "World Rank by QS , 2013" text
) ### Response: SELECT "World Rank by ARWU , 2013" FROM table_29538 WHERE "Members" = 'University of Tübingen'