How many silver medals does China have?
CREATE TABLE table_38405 (
    "Rank" real,
    "Nation" text,
    "Gold" real,
    "Silver" real,
    "Bronze" real,
    "Total" real
)
SELECT COUNT("Silver") FROM table_38405 WHERE "Nation" = 'china'
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 does China have? ### Input: CREATE TABLE table_38405 (
    "Rank" real,
    "Nation" text,
    "Gold" real,
    "Silver" real,
    "Bronze" real,
    "Total" real
) ### Response: SELECT COUNT("Silver") FROM table_38405 WHERE "Nation" = 'china'