How many total votes values are associated with t/vap values of 45.3%?
CREATE TABLE "electoral_districts" (
  "district" real,
  "region" text,
  "communes" text,
  "population_2002_census" real,
  "pct_of_total_population" text,
  "vap" real,
  "enrolled" real,
  "total_votes" real,
  "valid_votes" real,
  "turnout" text,
  "e_vap" text,
  "t_vap" text,
  "v_vap" text
);
SELECT COUNT("total_votes") FROM "electoral_districts" WHERE "t_vap"='45.3%';