How many silver medals were won by the participant(s) that had more than 12 gold medals and 11 bronze medals?
CREATE TABLE table_12831 (
    "Rank" real,
    "Gold" real,
    "Silver" real,
    "Bronze" real,
    "Total" real
)
SELECT "Silver" FROM table_12831 WHERE "Gold" > '12' AND "Bronze" = '11'
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: How many silver medals were won by the participant(s) that had more than 12 gold medals and 11 bronze medals? ### Input: CREATE TABLE table_12831 (
    "Rank" real,
    "Gold" real,
    "Silver" real,
    "Bronze" real,
    "Total" real
) ### Response: SELECT "Silver" FROM table_12831 WHERE "Gold" > '12' AND "Bronze" = '11'