Name the number of bush % for elko
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 COUNT("bush_pct") FROM "by_county" WHERE "county"='Elko';