What is Matt Allen's sail number?
CREATE TABLE table_27816 (
    "Position" real,
    "Sail Number" text,
    "Yacht" text,
    "State/Country" text,
    "Yacht Type" text,
    "LOA (Metres)" text,
    "Skipper" text,
    "Elapsed Time d:hh:mm:ss" text
)
SELECT "Sail Number" FROM table_27816 WHERE "Skipper" = 'Matt Allen'
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 Matt Allen's sail number? ### Input: CREATE TABLE table_27816 (
    "Position" real,
    "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 "Sail Number" FROM table_27816 WHERE "Skipper" = 'Matt Allen'