How many Liberal candidates have Seats in House smaller than 245, and a Popular vote larger than 350,512, and Seats won smaller than 139, and a Seat Change of +28?
CREATE TABLE "liberal_party_federal_electoral_results" (
  "year" text,
  "seats_in_house" real,
  "liberal_candidates" real,
  "seats_won" real,
  "seat_change" text,
  "popular_vote" real,
  "pct_of_popular_vote" text,
  "result" text,
  "liberal_leader" text
);
SELECT COUNT("liberal_candidates") FROM "liberal_party_federal_electoral_results" WHERE "seats_in_house"<245 AND "popular_vote">'350,512' AND "seats_won"<139 AND "seat_change"='+28';