CREATE TABLE table_54758 ("Rank" CLOB, "Nation" CLOB, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What is the least amount of silver medals a team with less than 0 gold medals has?
SELECT MIN("Silver") FROM table_54758 WHERE "Gold" < '0'
SELECT MIN("Silver") FROM "table_54758" WHERE "Gold" < '0'