What is the highest # Of Constituency Votes, when Election is 2005?
CREATE TABLE "general_election_results" (
  "election" real,
  "leader" text,
  "num_of_candidates" real,
  "num_of_constituency_votes" real,
  "pct_of_constituency_vote" text
);
SELECT MAX("num_of_constituency_votes") FROM "general_election_results" WHERE "election"=2005;