how many times was hancock % considered when starky % was 20.96%
CREATE TABLE "by_county" (
  "county" text,
  "starky_num" real,
  "starky_pct" text,
  "hancock_num" real,
  "hancock_pct" text,
  "mc_cain_num" real,
  "mc_cain_pct" text,
  "total" real
);
SELECT COUNT("hancock_pct") FROM "by_county" WHERE "starky_pct"='20.96%';