has she won more doubles tournaments on clay or on hard ?
CREATE TABLE table_204_47 (
    id number,
    "outcome" text,
    "no." number,
    "date" text,
    "tournament" text,
    "surface" text,
    "partner" text,
    "opponents" text,
    "score" text
)
SELECT "surface" FROM table_204_47 WHERE "surface" IN ('clay', 'hard') GROUP BY "surface" ORDER BY COUNT(*) DESC LIMIT 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: has she won more doubles tournaments on clay or on hard ? ### Input: CREATE TABLE table_204_47 (
    id number,
    "outcome" text,
    "no." number,
    "date" text,
    "tournament" text,
    "surface" text,
    "partner" text,
    "opponents" text,
    "score" text
) ### Response: SELECT "surface" FROM table_204_47 WHERE "surface" IN ('clay', 'hard') GROUP BY "surface" ORDER BY COUNT(*) DESC LIMIT 1