CREATE TABLE table_41446 ("Rank" FLOAT, "Nation" CLOB, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What average rank that has a silver less than 0?
SELECT AVG("Rank") FROM table_41446 WHERE "Silver" < '0'
SELECT AVG("Rank") FROM "table_41446" WHERE "Silver" < '0'