What is the W.A. of the 1 1st built?
CREATE TABLE table_7492 (
    "1st built" real,
    "1913 Class" text,
    "W.A." text,
    "No. Built" real,
    "Builder" text,
    "Date" text,
    "LNER Class" text
)
SELECT "W.A." FROM table_7492 WHERE "1st built" = '1'
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 W.A. of the 1 1st built? ### Input: CREATE TABLE table_7492 (
    "1st built" real,
    "1913 Class" text,
    "W.A." text,
    "No. Built" real,
    "Builder" text,
    "Date" text,
    "LNER Class" text
) ### Response: SELECT "W.A." FROM table_7492 WHERE "1st built" = '1'