Name the gore number for others # 6.6%
CREATE TABLE "by_county" (
  "county" text,
  "gore_pct" text,
  "gore_num" real,
  "bush_pct" text,
  "bush_num" real,
  "others_pct" text,
  "others_num" text
);
SELECT MIN("gore_num") FROM "by_county" WHERE "others_num"='6.6%';