CREATE TABLE table_48309 ("Rank" TEXT, "Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

Which Silver has a Rank of 1, and a Total smaller than 11?
SELECT SUM("Silver") FROM table_48309 WHERE "Rank" = '1' AND "Total" < '11'
SELECT SUM("Silver") FROM "table_48309" WHERE "Rank" = '1' AND "Total" < '11'