What is the race number with time 1:23:19:31?
CREATE TABLE table_23953 (
    "Position" real,
    "Race number" text,
    "Sail number" text,
    "Yacht" text,
    "State/country" text,
    "Yacht type" text,
    "LOA (Metres)" text,
    "Skipper" text,
    "Elapsed time d:hh:mm:ss" text
)
SELECT "Race number" FROM table_23953 WHERE "Elapsed time d:hh:mm:ss" = '1:23:19:31'
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 race number with time 1:23:19:31? ### Input: CREATE TABLE table_23953 (
    "Position" real,
    "Race number" text,
    "Sail number" text,
    "Yacht" text,
    "State/country" text,
    "Yacht type" text,
    "LOA (Metres)" text,
    "Skipper" text,
    "Elapsed time d:hh:mm:ss" text
) ### Response: SELECT "Race number" FROM table_23953 WHERE "Elapsed time d:hh:mm:ss" = '1:23:19:31'