How many gold medals for bellbrook HS with less than 1 silver?
CREATE TABLE "percussion_scholastic_open_class" (
  "ensemble" text,
  "gold_medals" real,
  "silver_medals" real,
  "bronze_medals" real,
  "total_medals" real
);
SELECT COUNT("gold_medals") FROM "percussion_scholastic_open_class" WHERE "ensemble"='bellbrook hs' AND "silver_medals"<1;