What is the year that Dewi Claire Schreefel is the champion?
CREATE TABLE table_471 (
    "Year" text,
    "Champion" text,
    "Country" text,
    "Score" text,
    "Tournament location" text,
    "Purse ($)" real,
    "Winners share ($)" real
)
SELECT "Year" FROM table_471 WHERE "Champion" = 'Dewi Claire Schreefel'
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 year that Dewi Claire Schreefel is the champion? ### Input: CREATE TABLE table_471 (
    "Year" text,
    "Champion" text,
    "Country" text,
    "Score" text,
    "Tournament location" text,
    "Purse ($)" real,
    "Winners share ($)" real
) ### Response: SELECT "Year" FROM table_471 WHERE "Champion" = 'Dewi Claire Schreefel'