What is the BW 2013 ranking of Washington, D.C., which has an ARWU 2012 ranking greater than 51?
CREATE TABLE table_37642 (
    "Location (State, City)" text,
    "USN 2013" real,
    "BW 2013" real,
    "Forbes 2011" real,
    "Ec 2013" real,
    "FT 2011" real,
    "AE 2011" real,
    "CNN 2011" real,
    "BI 2013" real,
    "ARWU 2012" real
)
SELECT "BW 2013" FROM table_37642 WHERE "ARWU 2012" > '51' AND "Location (State, City)" = 'washington, d.c.'
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 BW 2013 ranking of Washington, D.C., which has an ARWU 2012 ranking greater than 51? ### Input: CREATE TABLE table_37642 (
    "Location (State, City)" text,
    "USN 2013" real,
    "BW 2013" real,
    "Forbes 2011" real,
    "Ec 2013" real,
    "FT 2011" real,
    "AE 2011" real,
    "CNN 2011" real,
    "BI 2013" real,
    "ARWU 2012" real
) ### Response: SELECT "BW 2013" FROM table_37642 WHERE "ARWU 2012" > '51' AND "Location (State, City)" = 'washington, d.c.'