How much Total has a Silver smaller than 0?
CREATE TABLE "total_all_around_medals_by_country_1963_" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT COUNT("total") FROM "total_all_around_medals_by_country_1963_" WHERE "silver"<0;