CREATE TABLE table_63917 ("Rank" FLOAT, "Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

How many Gold medals did Puerto Rico receive with 1 Silver and a Total of 1 or less?
SELECT COUNT("Gold") FROM table_63917 WHERE "Silver" = '1' AND "Nation" = 'puerto rico' AND "Total" < '1'
SELECT COUNT("Gold") FROM "table_63917" WHERE "Nation" = 'puerto rico' AND "Silver" = '1' AND "Total" < '1'