CREATE TABLE table_7454 ("Rank" FLOAT, "Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What is the total number of silver with rank number 6?
SELECT COUNT("Silver") FROM table_7454 WHERE "Rank" = '6'
SELECT COUNT("Silver") FROM "table_7454" WHERE "Rank" = '6'