CREATE TABLE table_14334 ("Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What is the least silver that has mexico as a nation and a gold less than 0?
SELECT MIN("Silver") FROM table_14334 WHERE "Nation" = 'mexico' AND "Gold" < '0'
SELECT MIN("Silver") FROM "table_14334" WHERE "Gold" < '0' AND "Nation" = 'mexico'