CREATE TABLE table_79715 ("Rank" FLOAT, "Nation" CLOB, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

How much Silver has a Rank of 7?
SELECT COUNT("Silver") FROM table_79715 WHERE "Rank" = '7'
SELECT COUNT("Silver") FROM "table_79715" WHERE "Rank" = '7'