CREATE TABLE table_68725 ("Year" TEXT, "Edition" TEXT, "Host city" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

Which Host City has more than 6 Silver and a Total of 22?
SELECT "Host city" FROM table_68725 WHERE "Silver" > '6' AND "Total" = '22'
SELECT "Host city" FROM "table_68725" WHERE "Silver" > '6' AND "Total" = '22'