CREATE TABLE table_60393 ("Rank" TEXT, "Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

When rank is 7 and silver is less than 0, what is the total gold?
SELECT SUM("Gold") FROM table_60393 WHERE "Rank" = '7' AND "Silver" < '0'
SELECT SUM("Gold") FROM "table_60393" WHERE "Rank" = '7' AND "Silver" < '0'